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14745720 = 23351111171
BaseRepresentation
bin111000010000…
…000001111000
31000202011022210
4320100001320
512233330340
61244015120
7236223303
oct70200170
930664283
1014745720
118361750
124b314a0
1330939a2
141d5bb3a
151464180
hexe10078

14745720 has 64 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 3574400.

The previous prime is 14745707. The next prime is 14745727. The reversal of 14745720 is 2754741.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14745727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4266 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 214745720 is an apocalyptic number.

14745720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14745720 is an abundant number, since it is smaller than the sum of its proper divisors (33517320).

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

14745720 is a wasteful number, since it uses less digits than its factorization.

14745720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11196 (or 11192 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 14745720 is about 3840.0156249682. The cubic root of 14745720 is about 245.2196835633.

The spelling of 14745720 in words is "fourteen million, seven hundred forty-five thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 11171 22342 33513 44684 55855 67026 89368 111710 122881 134052 167565 223420 245762 268104 335130 368643 446840 491524 614405 670260 737286 983048 1228810 1340520 1474572 1843215 2457620 2949144 3686430 4915240 7372860 14745720