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76164863 = 19247672
BaseRepresentation
bin1001000101000…
…10111011111111
312022022120112212
410202202323333
5123444233423
611320251035
71613250665
oct442427377
9168276485
1076164863
1139aa1875
1221610a7b
1312a19888
14a188c35
156a47578
hex48a2eff

76164863 has 18 divisors (see below), whose sum is σ = 83338416. Its totient is φ = 69566904.

The previous prime is 76164797. The next prime is 76164883. The reversal of 76164863 is 36846167.

It is not a de Polignac number, because 76164863 - 218 = 75902719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76164863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76164883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1136756 + ... + 1136822.

It is an arithmetic number, because the mean of its divisors is an integer number (4629912).

Almost surely, 276164863 is an apocalyptic number.

76164863 is a deficient number, since it is larger than the sum of its proper divisors (7173553).

76164863 is an equidigital number, since it uses as much as digits as its factorization.

76164863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 133 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 76164863 is about 8727.2483063105. The cubic root of 76164863 is about 423.8884225659. Note that the first 3 decimals are identical.

The spelling of 76164863 in words is "seventy-six million, one hundred sixty-four thousand, eight hundred sixty-three".

Divisors: 1 19 47 67 361 893 1273 3149 4489 16967 24187 59831 85291 210983 1136789 1620529 4008677 76164863