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1055045915 = 57112740379
BaseRepresentation
bin111110111000101…
…011100100011011
32201112020212220122
4332320223210123
54130042432130
6252405143455
735100512420
oct7670534433
92645225818
101055045915
114a1600680
122553bab8b
1313a771231
14a0199d47
15629562e5
hex3ee2b91b

1055045915 has 16 divisors (see below), whose sum is σ = 1578458880. Its totient is φ = 657690720.

The previous prime is 1055045881. The next prime is 1055045921. The reversal of 1055045915 is 5195405501.

It is not a de Polignac number, because 1055045915 - 28 = 1055045659 is a prime.

It is a super-2 number, since 2×10550459152 = 2226243765516374450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369805 + ... + 1370574.

It is an arithmetic number, because the mean of its divisors is an integer number (98653680).

Almost surely, 21055045915 is an apocalyptic number.

1055045915 is a deficient number, since it is larger than the sum of its proper divisors (523412965).

1055045915 is a wasteful number, since it uses less digits than its factorization.

1055045915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740402.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 1055045915 is about 32481.4703330991. The cubic root of 1055045915 is about 1018.0218984074.

It can be divided in two parts, 10550 and 45915, that added together give a palindrome (56465).

The spelling of 1055045915 in words is "one billion, fifty-five million, forty-five thousand, nine hundred fifteen".

Divisors: 1 5 7 11 35 55 77 385 2740379 13701895 19182653 30144169 95913265 150720845 211009183 1055045915