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70076190 = 23561149257
BaseRepresentation
bin1000010110101…
…00011100011110
311212212020110110
410023110130132
5120414414230
610541550450
71510431522
oct413243436
9155766413
1070076190
1136613308
121b575426
1311697402
149441d82
1562434b0
hex42d471e

70076190 has 64 divisors (see below), whose sum is σ = 172756800. Its totient is φ = 18186240.

The previous prime is 70076183. The next prime is 70076191. The reversal of 70076190 is 9167007.

It is a super-2 number, since 2×700761902 = 9821344809832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70076191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272542 + ... + 272798.

It is an arithmetic number, because the mean of its divisors is an integer number (2699325).

Almost surely, 270076190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70076190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86378400).

70076190 is an abundant number, since it is smaller than the sum of its proper divisors (102680610).

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

70076190 is a wasteful number, since it uses less digits than its factorization.

70076190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 70076190 is about 8371.1522504372. The cubic root of 70076190 is about 412.2779999206.

The spelling of 70076190 in words is "seventy million, seventy-six thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 61 122 149 183 257 298 305 366 447 514 610 745 771 894 915 1285 1490 1542 1830 2235 2570 3855 4470 7710 9089 15677 18178 27267 31354 38293 45445 47031 54534 76586 78385 90890 94062 114879 136335 156770 191465 229758 235155 272670 382930 470310 574395 1148790 2335873 4671746 7007619 11679365 14015238 23358730 35038095 70076190