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1064404523 = 71371164743
BaseRepresentation
bin111111011100011…
…000011000101011
32202011212100111202
4333130120120223
54134441421043
6253341514415
735243201120
oct7734303053
92664770452
101064404523
114a6912966
12258572a0b
1313c699b80
14a1514747
15636a41b8
hex3f71862b

1064404523 has 16 divisors (see below), whose sum is σ = 1328495616. Its totient is φ = 830299680.

The previous prime is 1064404501. The next prime is 1064404541. The reversal of 1064404523 is 3254044601.

It is not a de Polignac number, because 1064404523 - 218 = 1064142379 is a prime.

It is a super-2 number, since 2×10644045232 = 2265913977165715058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064404823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75911 + ... + 88832.

It is an arithmetic number, because the mean of its divisors is an integer number (83030976).

Almost surely, 21064404523 is an apocalyptic number.

1064404523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1064404523 is a deficient number, since it is larger than the sum of its proper divisors (264091093).

1064404523 is a wasteful number, since it uses less digits than its factorization.

1064404523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164834.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1064404523 is about 32625.2129954733. The cubic root of 1064404523 is about 1021.0231061405.

The spelling of 1064404523 in words is "one billion, sixty-four million, four hundred four thousand, five hundred twenty-three".

Divisors: 1 7 13 71 91 497 923 6461 164743 1153201 2141659 11696753 14991613 81877271 152057789 1064404523