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1056948687 = 32117438743
BaseRepresentation
bin111110111111111…
…100000111001111
32201122211120000200
4332333330013033
54131034324222
6252514024543
735122626024
oct7677740717
92648746020
101056948687
114a2690213
12255b78153
1313ac89332
14a053354b
1562bceeac
hex3effc1cf

1056948687 has 6 divisors (see below), whose sum is σ = 1526703672. Its totient is φ = 704632452.

The previous prime is 1056948661. The next prime is 1056948721. The reversal of 1056948687 is 7868496501.

1056948687 is a `hidden beast` number, since 10 + 569 + 4 + 8 + 68 + 7 = 666.

It is not a de Polignac number, because 1056948687 - 210 = 1056947663 is a prime.

It is a super-2 number, since 2×10569486872 = 2234281053902047938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056947687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58719363 + ... + 58719380.

It is an arithmetic number, because the mean of its divisors is an integer number (254450612).

Almost surely, 21056948687 is an apocalyptic number.

1056948687 is a deficient number, since it is larger than the sum of its proper divisors (469754985).

1056948687 is a wasteful number, since it uses less digits than its factorization.

1056948687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117438749 (or 117438746 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 1056948687 is about 32510.7472537929. The cubic root of 1056948687 is about 1018.6335306298.

The spelling of 1056948687 in words is "one billion, fifty-six million, nine hundred forty-eight thousand, six hundred eighty-seven".

Divisors: 1 3 9 117438743 352316229 1056948687