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70383372 = 223191971567
BaseRepresentation
bin1000011000111…
…11011100001100
311220102211211120
410030133130030
5121004231442
610552320540
71513151223
oct414373414
9156384746
1070383372
1136803084
121b6a3150
1311774187
1494c1cba
1562a44ec
hex431f70c

70383372 has 48 divisors (see below), whose sum is σ = 173859840. Its totient is φ = 22099392.

The previous prime is 70383367. The next prime is 70383373. The reversal of 70383372 is 27338307.

It is a happy number.

70383372 is nontrivially palindromic in base 8.

It is not an unprimeable number, because it can be changed into a prime (70383373) 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 15 ways as a sum of consecutive naturals, for example, 44133 + ... + 45699.

It is an arithmetic number, because the mean of its divisors is an integer number (3622080).

Almost surely, 270383372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70383372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86929920).

70383372 is an abundant number, since it is smaller than the sum of its proper divisors (103476468).

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

70383372 is a wasteful number, since it uses less digits than its factorization.

70383372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 70383372 is about 8389.4798408483. The cubic root of 70383372 is about 412.8795346194.

The spelling of 70383372 in words is "seventy million, three hundred eighty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 197 228 394 591 788 1182 1567 2364 3134 3743 4701 6268 7486 9402 11229 14972 18804 22458 29773 44916 59546 89319 119092 178638 308699 357276 617398 926097 1234796 1852194 3704388 5865281 11730562 17595843 23461124 35191686 70383372