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860878071 = 3331884373
BaseRepresentation
bin110011010011111…
…111010011110111
32012222220010201000
4303103333103313
53230341044241
6221231334343
730222225414
oct6323772367
92188803630
10860878071
11401a41489
122003813b3
13109479711
148249510b
155089eeb6
hex334ff4f7

860878071 has 8 divisors (see below), whose sum is σ = 1275374960. Its totient is φ = 573918696.

The previous prime is 860878069. The next prime is 860878093. The reversal of 860878071 is 170878068.

It is not a de Polignac number, because 860878071 - 21 = 860878069 is a prime.

It is a super-2 number, since 2×8608780712 = 1482222106257362082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860878171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15942160 + ... + 15942213.

It is an arithmetic number, because the mean of its divisors is an integer number (159421870).

Almost surely, 2860878071 is an apocalyptic number.

860878071 is a deficient number, since it is larger than the sum of its proper divisors (414496889).

860878071 is a wasteful number, since it uses less digits than its factorization.

860878071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31884382 (or 31884376 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 860878071 is about 29340.7237640792. The cubic root of 860878071 is about 951.2920815659.

The spelling of 860878071 in words is "eight hundred sixty million, eight hundred seventy-eight thousand, seventy-one".

Divisors: 1 3 9 27 31884373 95653119 286959357 860878071