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13742880 = 253528631
BaseRepresentation
bin110100011011…
…001100100000
3221212012200120
4310123030200
512004233010
61210320240
7224545464
oct64331440
927765616
1013742880
117837258
124729080
132b023a8
141b7a4a4
151316e70
hexd1b320

13742880 has 48 divisors (see below), whose sum is σ = 43291584. Its totient is φ = 3664640.

The previous prime is 13742849. The next prime is 13742887. The reversal of 13742880 is 8824731.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (13742887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13836 + ... + 14795.

It is an arithmetic number, because the mean of its divisors is an integer number (901908).

Almost surely, 213742880 is an apocalyptic number.

13742880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13742880 is an abundant number, since it is smaller than the sum of its proper divisors (29548704).

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

13742880 is a wasteful number, since it uses less digits than its factorization.

13742880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28649 (or 28641 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 13742880 is about 3707.1390586273. The cubic root of 13742880 is about 239.5296343083.

The spelling of 13742880 in words is "thirteen million, seven hundred forty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 28631 57262 85893 114524 143155 171786 229048 286310 343572 429465 458096 572620 687144 858930 916192 1145240 1374288 1717860 2290480 2748576 3435720 4580960 6871440 13742880