Search a number
-
+
1056825087 = 319109170099
BaseRepresentation
bin111110111111011…
…101111011111111
32201122121021110220
4332333131323333
54131021400322
6252511232423
735121602463
oct7677357377
92648537426
101056825087
114a260636a
12255b18713
1313ac44cb6
14a05004a3
1562ba855c
hex3efddeff

1056825087 has 16 divisors (see below), whose sum is σ = 1496880000. Its totient is φ = 661341024.

The previous prime is 1056825083. The next prime is 1056825097. The reversal of 1056825087 is 7805286501.

It is not a de Polignac number, because 1056825087 - 22 = 1056825083 is a prime.

It is a super-2 number, since 2×10568250872 = 2233758529025115138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056825083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78837 + ... + 91262.

It is an arithmetic number, because the mean of its divisors is an integer number (93555000).

Almost surely, 21056825087 is an apocalyptic number.

1056825087 is a deficient number, since it is larger than the sum of its proper divisors (440054913).

1056825087 is a wasteful number, since it uses less digits than its factorization.

1056825087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170230.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1056825087 is about 32508.8462883567. The cubic root of 1056825087 is about 1018.5938226118.

The spelling of 1056825087 in words is "one billion, fifty-six million, eight hundred twenty-five thousand, eighty-seven".

Divisors: 1 3 19 57 109 327 2071 6213 170099 510297 3231881 9695643 18540791 55622373 352275029 1056825087