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69992944 = 2471736761
BaseRepresentation
bin1000010110000…
…00000111110000
311212201000021021
410023000013300
5120404233234
610540105224
71506634030
oct413000760
9155630237
1069992944
113656680a
121b535214
1311668558
14941d8c0
1562289b4
hex42c01f0

69992944 has 40 divisors (see below), whose sum is σ = 164105568. Its totient is φ = 28231680.

The previous prime is 69992869. The next prime is 69992971. The reversal of 69992944 is 44929996.

It is a junction number, because it is equal to n+sod(n) for n = 69992891 and 69992900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16477 + ... + 20284.

Almost surely, 269992944 is an apocalyptic number.

It is an amenable number.

69992944 is an abundant number, since it is smaller than the sum of its proper divisors (94112624).

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

69992944 is a wasteful number, since it uses less digits than its factorization.

69992944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36793 (or 36787 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 69992944 is about 8366.1785780606. The cubic root of 69992944 is about 412.1146819969.

The spelling of 69992944 in words is "sixty-nine million, nine hundred ninety-two thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 36761 73522 147044 257327 294088 514654 588176 624937 1029308 1249874 2058616 2499748 4117232 4374559 4999496 8749118 9998992 17498236 34996472 69992944