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677534871 = 31317372689
BaseRepresentation
bin101000011000100…
…101110010010111
31202012220100010010
4220120211302113
52341422103441
6151121531303
722534644216
oct5030456227
91665810103
10677534871
113184a5a82
1216aaa3b33
13aa4a4c10
1465dab07d
153e736116
hex28625c97

677534871 has 8 divisors (see below), whose sum is σ = 972870640. Its totient is φ = 416944512.

The previous prime is 677534857. The next prime is 677534903. The reversal of 677534871 is 178435776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677534871 - 213 = 677526679 is a prime.

It is the 26030-th Hogben number.

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 677534871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677534821) by changing a digit.

It is a nontrivial repunit in base 26029.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8686306 + ... + 8686383.

It is an arithmetic number, because the mean of its divisors is an integer number (121608830).

Almost surely, 2677534871 is an apocalyptic number.

677534871 is a deficient number, since it is larger than the sum of its proper divisors (295335769).

677534871 is a wasteful number, since it uses less digits than its factorization.

677534871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17372705.

The product of its digits is 987840, while the sum is 48.

The square root of 677534871 is about 26029.5000144067. The cubic root of 677534871 is about 878.3020249918.

The spelling of 677534871 in words is "six hundred seventy-seven million, five hundred thirty-four thousand, eight hundred seventy-one".

Divisors: 1 3 13 39 17372689 52118067 225844957 677534871