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105287684 = 2227919431
BaseRepresentation
bin1100100011010…
…01000000000100
321100010011112212
412101221000010
5203423201214
614240402552
72415634115
oct621510004
9240104485
10105287684
1154483217
122b316458
1318a75508
14ddaa20c
15939b53e
hex6469004

105287684 has 12 divisors (see below), whose sum is σ = 184339008. Its totient is φ = 52619400.

The previous prime is 105287671. The next prime is 105287729. The reversal of 105287684 is 486782501.

It is a super-2 number, since 2×1052876842 = 22170992804167712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449 + ... + 15879.

It is an arithmetic number, because the mean of its divisors is an integer number (15361584).

Almost surely, 2105287684 is an apocalyptic number.

It is an amenable number.

105287684 is a deficient number, since it is larger than the sum of its proper divisors (79051324).

105287684 is a wasteful number, since it uses less digits than its factorization.

105287684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226 (or 12224 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 105287684 is about 10260.9787057571. The cubic root of 105287684 is about 472.1998638877.

The spelling of 105287684 in words is "one hundred five million, two hundred eighty-seven thousand, six hundred eighty-four".

Divisors: 1 2 4 2791 5582 9431 11164 18862 37724 26321921 52643842 105287684