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80897716 = 22234753353
BaseRepresentation
bin1001101001001…
…10011010110100
312122020000210201
410310212122310
5131202211331
612005530244
72001422254
oct464463264
9178200721
1080897716
1141734719
1223113984
13139b5b93
14aa5b964
15717ea61
hex4d266b4

80897716 has 48 divisors (see below), whose sum is σ = 154151424. Its totient is φ = 37047296.

The previous prime is 80897701. The next prime is 80897723. The reversal of 80897716 is 61779808.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

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, 228996 + ... + 229348.

It is an arithmetic number, because the mean of its divisors is an integer number (3211488).

Almost surely, 280897716 is an apocalyptic number.

It is an amenable number.

80897716 is a deficient number, since it is larger than the sum of its proper divisors (73253708).

80897716 is a wasteful number, since it uses less digits than its factorization.

80897716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 80897716 is about 8994.3157605234. The cubic root of 80897716 is about 432.4926720890.

The spelling of 80897716 in words is "eighty million, eight hundred ninety-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 23 46 47 53 92 94 106 188 212 353 706 1081 1219 1412 2162 2438 2491 4324 4876 4982 8119 9964 16238 16591 18709 32476 33182 37418 57293 66364 74836 114586 229172 381593 430307 763186 860614 879323 1526372 1721228 1758646 3517292 20224429 40448858 80897716