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69740892 = 22331323821
BaseRepresentation
bin1000010100000…
…10100101011100
311212020012112000
410022002211130
5120323202032
610530442300
71504534134
oct412024534
9155205460
1069740892
1136404401
121b433390
13115aa900
149395ac4
1561c8e7c
hex428295c

69740892 has 72 divisors (see below), whose sum is σ = 195839280. Its totient is φ = 21453120.

The previous prime is 69740837. The next prime is 69740939. The reversal of 69740892 is 29804796.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16342 + ... + 20162.

It is an arithmetic number, because the mean of its divisors is an integer number (2719990).

Almost surely, 269740892 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 69740892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97919640).

69740892 is an abundant number, since it is smaller than the sum of its proper divisors (126098388).

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

69740892 is a wasteful number, since it uses less digits than its factorization.

69740892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 3839 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 69740892 is about 8351.1012447461. The cubic root of 69740892 is about 411.6193974658.

The spelling of 69740892 in words is "sixty-nine million, seven hundred forty thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 169 234 338 351 468 507 676 702 1014 1404 1521 2028 3042 3821 4563 6084 7642 9126 11463 15284 18252 22926 34389 45852 49673 68778 99346 103167 137556 149019 198692 206334 298038 412668 447057 596076 645749 894114 1291498 1341171 1788228 1937247 2582996 2682342 3874494 5364684 5811741 7748988 11623482 17435223 23246964 34870446 69740892