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1056920879 = 7152399139
BaseRepresentation
bin111110111111110…
…101010100101111
32201122210010212202
4332333311110233
54131032432004
6252513252115
735122451660
oct7677652457
92648703782
101056920879
114a2671333
12255b6403b
1313ac79791
14a0527367
1562bc6b1e
hex3eff552f

1056920879 has 8 divisors (see below), whose sum is σ = 1208714880. Its totient is φ = 905328216.

The previous prime is 1056920869. The next prime is 1056920899. The reversal of 1056920879 is 9780296501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1056920879 is a prime.

It is a super-2 number, since 2×10569208792 = 2234163488932265282, 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 (1056920869) 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, 38909 + ... + 60230.

It is an arithmetic number, because the mean of its divisors is an integer number (151089360).

Almost surely, 21056920879 is an apocalyptic number.

1056920879 is a deficient number, since it is larger than the sum of its proper divisors (151794001).

1056920879 is an equidigital number, since it uses as much as digits as its factorization.

1056920879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100669.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1056920879 is about 32510.3195770205. The cubic root of 1056920879 is about 1018.6245972381.

The spelling of 1056920879 in words is "one billion, fifty-six million, nine hundred twenty thousand, eight hundred seventy-nine".

Divisors: 1 7 1523 10661 99139 693973 150988697 1056920879