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1042915855 = 5375637383
BaseRepresentation
bin111110001010011…
…010001000001111
32200200102121121011
4332022122020033
54113441301410
6251253150051
734562432002
oct7612321017
92620377534
101042915855
11495776133
1225132b327
131380b4c97
149c71d539
156185c18a
hex3e29a20f

1042915855 has 8 divisors (see below), whose sum is σ = 1285323552. Its totient is φ = 811783008.

The previous prime is 1042915843. The next prime is 1042915879. The reversal of 1042915855 is 5585192401.

1042915855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1042915855 - 25 = 1042915823 is a prime.

It is a super-2 number, since 2×10429158552 = 2175346961220762050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818507 + ... + 2818876.

It is an arithmetic number, because the mean of its divisors is an integer number (160665444).

Almost surely, 21042915855 is an apocalyptic number.

1042915855 is a deficient number, since it is larger than the sum of its proper divisors (242407697).

1042915855 is an equidigital number, since it uses as much as digits as its factorization.

1042915855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637425.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 1042915855 is about 32294.2077623836. The cubic root of 1042915855 is about 1014.1053875632.

The spelling of 1042915855 in words is "one billion, forty-two million, nine hundred fifteen thousand, eight hundred fifty-five".

Divisors: 1 5 37 185 5637383 28186915 208583171 1042915855