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69937968 = 2434393319
BaseRepresentation
bin1000010101100…
…10101100110000
311212121012212010
410022302230300
5120401003333
610535002520
71506314532
oct412625460
9155535763
1069937968
1136529481
121b509440
1311649519
149407852
156217563
hex42b2b30

69937968 has 40 divisors (see below), whose sum is σ = 181139200. Its totient is φ = 23252544.

The previous prime is 69937957. The next prime is 69937981. The reversal of 69937968 is 86973996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19413 + ... + 22731.

It is an arithmetic number, because the mean of its divisors is an integer number (4528480).

Almost surely, 269937968 is an apocalyptic number.

It is an amenable number.

69937968 is an abundant number, since it is smaller than the sum of its proper divisors (111201232).

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

69937968 is a wasteful number, since it uses less digits than its factorization.

69937968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3763 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 69937968 is about 8362.8923226358. The cubic root of 69937968 is about 412.0067551599.

The spelling of 69937968 in words is "sixty-nine million, nine hundred thirty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 439 878 1317 1756 2634 3319 3512 5268 6638 7024 9957 10536 13276 19914 21072 26552 39828 53104 79656 159312 1457041 2914082 4371123 5828164 8742246 11656328 17484492 23312656 34968984 69937968