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14255920 = 245725457
BaseRepresentation
bin110110011000…
…011100110000
3222211021110001
4312120130300
512122142140
61225315344
7232113310
oct66303460
928737401
1014255920
118057758
124935b54
132c51a73
141c71440
1513b8e9a
hexd98730

14255920 has 40 divisors (see below), whose sum is σ = 37881504. Its totient is φ = 4887552.

The previous prime is 14255903. The next prime is 14255933. The reversal of 14255920 is 2955241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12169 + ... + 13288.

Almost surely, 214255920 is an apocalyptic number.

14255920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14255920 is an abundant number, since it is smaller than the sum of its proper divisors (23625584).

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

14255920 is a wasteful number, since it uses less digits than its factorization.

14255920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477 (or 25471 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 14255920 is about 3775.7012593689. The cubic root of 14255920 is about 242.4739476742.

The spelling of 14255920 in words is "fourteen million, two hundred fifty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 25457 50914 101828 127285 178199 203656 254570 356398 407312 509140 712796 890995 1018280 1425592 1781990 2036560 2851184 3563980 7127960 14255920