Base | Representation |
---|---|
bin | 101111100001000… |
… | …011110011100010 |
3 | 2001120001201121220 |
4 | 233201003303202 |
5 | 3113040223430 |
6 | 211034355510 |
7 | 25520023050 |
oct | 5741036342 |
9 | 2046051556 |
10 | 797195490 |
11 | 379aa5853 |
12 | 1a2b8bb96 |
13 | c9210510 |
14 | 77c391d0 |
15 | 49ec1110 |
hex | 2f843ce2 |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.028 sec. • engine limits •