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102585505 = 5116173023
BaseRepresentation
bin1100001110101…
…01010010100001
321011000212212011
412013111102201
5202230214010
614102432521
72353651051
oct607252241
9234025764
10102585505
11529a8010
122a432741
131833a5a9
14d8a5561
159015a8a
hex61d54a1

102585505 has 16 divisors (see below), whose sum is σ = 134555904. Its totient is φ = 74462080.

The previous prime is 102585467. The next prime is 102585533. The reversal of 102585505 is 505585201.

It is not a de Polignac number, because 102585505 - 27 = 102585377 is a prime.

It is a super-2 number, since 2×1025855052 = 21047571672210050, which contains 22 as substring.

It is a Duffinian number.

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, 32424 + ... + 35446.

It is an arithmetic number, because the mean of its divisors is an integer number (8409744).

Almost surely, 2102585505 is an apocalyptic number.

It is an amenable number.

102585505 is a deficient number, since it is larger than the sum of its proper divisors (31970399).

102585505 is a wasteful number, since it uses less digits than its factorization.

102585505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 102585505 is about 10128.4502763256. The cubic root of 102585505 is about 468.1251780596.

The spelling of 102585505 in words is "one hundred two million, five hundred eighty-five thousand, five hundred five".

Divisors: 1 5 11 55 617 3023 3085 6787 15115 33253 33935 166265 1865191 9325955 20517101 102585505