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13740072 = 2331813163
BaseRepresentation
bin110100011010…
…100000101000
3221212001211120
4310122200220
512004140242
61210255240
7224534343
oct64324050
927761746
1013740072
117835135
124727520
132b01028
141b7945a
1513161ec
hexd1a828

13740072 has 32 divisors (see below), whose sum is σ = 34550880. Its totient is φ = 4553280.

The previous prime is 13740053. The next prime is 13740107. The reversal of 13740072 is 27004731.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (1079715).

Almost surely, 213740072 is an apocalyptic number.

13740072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13740072 is an abundant number, since it is smaller than the sum of its proper divisors (20810808).

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

13740072 is a wasteful number, since it uses less digits than its factorization.

13740072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13740072 is about 3706.7603105677. The cubic root of 13740072 is about 239.5133193139.

The spelling of 13740072 in words is "thirteen million, seven hundred forty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 2172 3163 4344 6326 9489 12652 18978 25304 37956 75912 572503 1145006 1717509 2290012 3435018 4580024 6870036 13740072