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1056065231 = 13477323677
BaseRepresentation
bin111110111100100…
…100011011001111
32201121011200011002
4332330210123033
54130323041411
6252443050515
735112256244
oct7674443317
92647150132
101056065231
114a2137491
12255810a3b
1313aa3a190
14a03835cb
1562aa833b
hex3ef246cf

1056065231 has 16 divisors (see below), whose sum is σ = 1177459584. Its totient is φ = 940978944.

The previous prime is 1056065209. The next prime is 1056065233. The reversal of 1056065231 is 1325606501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1056065231 is a prime.

It is a super-2 number, since 2×10560652312 = 2230547544254166722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056065194 and 1056065203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056065233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32765 + ... + 56441.

It is an arithmetic number, because the mean of its divisors is an integer number (73591224).

Almost surely, 21056065231 is an apocalyptic number.

1056065231 is a deficient number, since it is larger than the sum of its proper divisors (121394353).

1056065231 is a wasteful number, since it uses less digits than its factorization.

1056065231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1056065231 is about 32497.1572756757. The cubic root of 1056065231 is about 1018.3496414919.

The spelling of 1056065231 in words is "one billion, fifty-six million, sixty-five thousand, two hundred thirty-one".

Divisors: 1 13 47 73 611 949 3431 23677 44603 307801 1112819 1728421 14466647 22469473 81235787 1056065231