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105913880 = 2352647847
BaseRepresentation
bin1100101000000…
…01111000011000
321101021222112022
412110001320120
5204103221010
614302034012
72424152552
oct624017030
9241258468
10105913880
1154870736
122b578908
1318c34547
14100d04d2
159471d55
hex6501e18

105913880 has 16 divisors (see below), whose sum is σ = 238306320. Its totient is φ = 42365536.

The previous prime is 105913861. The next prime is 105913891. The reversal of 105913880 is 88319501.

It is a super-2 number, since 2×1059138802 = 22435499953308800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105913880.

It is a congruent number.

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, 1323884 + ... + 1323963.

It is an arithmetic number, because the mean of its divisors is an integer number (14894145).

Almost surely, 2105913880 is an apocalyptic number.

105913880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105913880 is an abundant number, since it is smaller than the sum of its proper divisors (132392440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105913880 is a wasteful number, since it uses less digits than its factorization.

105913880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647858 (or 2647854 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 105913880 is about 10291.4469342265. The cubic root of 105913880 is about 473.1341466122.

The spelling of 105913880 in words is "one hundred five million, nine hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2647847 5295694 10591388 13239235 21182776 26478470 52956940 105913880