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797195490 = 235713436791
BaseRepresentation
bin101111100001000…
…011110011100010
32001120001201121220
4233201003303202
53113040223430
6211034355510
725520023050
oct5741036342
92046051556
10797195490
11379aa5853
121a2b8bb96
13c9210510
1477c391d0
1549ec1110
hex2f843ce2

797195490 has 128 divisors (see below), whose sum is σ = 2409910272. Its totient is φ = 164263680.

The previous prime is 797195489. The next prime is 797195491. The reversal of 797195490 is 94591797.

It is a happy number.

797195490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (797195489) and next prime (797195491).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (797195491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113995 + ... + 120785.

It is an arithmetic number, because the mean of its divisors is an integer number (18827424).

Almost surely, 2797195490 is an apocalyptic number.

797195490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 797195490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204955136).

797195490 is an abundant number, since it is smaller than the sum of its proper divisors (1612714782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797195490 is a wasteful number, since it uses less digits than its factorization.

797195490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 797195490 is about 28234.6505202384. The cubic root of 797195490 is about 927.2317147724.

The spelling of 797195490 in words is "seven hundred ninety-seven million, one hundred ninety-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 43 65 70 78 86 91 105 129 130 182 195 210 215 258 273 301 390 430 455 546 559 602 645 903 910 1118 1290 1365 1505 1677 1806 2730 2795 3010 3354 3913 4515 5590 6791 7826 8385 9030 11739 13582 16770 19565 20373 23478 33955 39130 40746 47537 58695 67910 88283 95074 101865 117390 142611 176566 203730 237685 264849 285222 292013 441415 475370 529698 584026 617981 713055 876039 882830 1235962 1324245 1426110 1460065 1752078 1853943 2044091 2648490 2920130 3089905 3707886 3796169 4088182 4380195 6132273 6179810 7592338 8760390 9269715 10220455 11388507 12264546 18539430 18980845 20440910 22777014 26573183 30661365 37961690 53146366 56942535 61322730 79719549 113885070 132865915 159439098 265731830 398597745 797195490