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1056835081 = 192292592
BaseRepresentation
bin111110111111100…
…000011000001001
32201122121210012001
4332333200120021
54131022210311
6252511351001
735121643561
oct7677403011
92648553161
101056835081
114a2612925
12255b22461
1313ac49703
14a0503da1
1562bab4c1
hex3efe0609

1056835081 has 27 divisors (see below), whose sum is σ = 1175084391. Its totient is φ = 950303088.

The previous prime is 1056835049. The next prime is 1056835093. The reversal of 1056835081 is 1805386501.

The square root of 1056835081 is 32509.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 554178681 + 502656400 = 23541^2 + 22420^2 .

It is not a de Polignac number, because 1056835081 - 25 = 1056835049 is a prime.

It is a super-2 number, since 2×10568350812 = 2233800776864553122, which contains 22 as substring.

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 1056835081.

It is not an unprimeable number, because it can be changed into a prime (1056835001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17912430 + ... + 17912488.

Almost surely, 21056835081 is an apocalyptic number.

1056835081 is the 32509-th square number.

1056835081 is the 16255-th centered octagonal number.

It is an amenable number.

1056835081 is a deficient number, since it is larger than the sum of its proper divisors (118249310).

1056835081 is an frugal number, since it uses more digits than its factorization.

1056835081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The cubic root of 1056835081 is about 1018.5970334221.

The spelling of 1056835081 in words is "one billion, fifty-six million, eight hundred thirty-five thousand, eighty-one".

Divisors: 1 19 29 59 361 551 841 1121 1711 3481 10469 15979 21299 32509 49619 66139 100949 303601 617671 942761 1256641 1918031 2927521 17912459 36442589 55622899 1056835081