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105285115 = 5131799049
BaseRepresentation
bin1100100011010…
…00010111111011
321100010001000201
412101220113323
5203423110430
614240343031
72415623455
oct621502773
9240101021
10105285115
11544812a1
122b314a77
1318a742b0
14dda92d5
15939a8ca
hex64685fb

105285115 has 16 divisors (see below), whose sum is σ = 136836000. Its totient is φ = 77306112.

The previous prime is 105285107. The next prime is 105285139. The reversal of 105285115 is 511582501.

It is not a de Polignac number, because 105285115 - 23 = 105285107 is a prime.

It is a super-2 number, since 2×1052851152 = 22169910881126450, which contains 22 as substring.

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, 7111 + ... + 16159.

It is an arithmetic number, because the mean of its divisors is an integer number (8552250).

Almost surely, 2105285115 is an apocalyptic number.

105285115 is a deficient number, since it is larger than the sum of its proper divisors (31550885).

105285115 is a wasteful number, since it uses less digits than its factorization.

105285115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246.

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 105285115 is about 10260.8535220029. The cubic root of 105285115 is about 472.1960233267.

The spelling of 105285115 in words is "one hundred five million, two hundred eighty-five thousand, one hundred fifteen".

Divisors: 1 5 13 65 179 895 2327 9049 11635 45245 117637 588185 1619771 8098855 21057023 105285115