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13340745 = 3251126951
BaseRepresentation
bin110010111001…
…000001001001
3221002210001200
4302321001021
511403400440
61153534413
7221252205
oct62710111
927083050
1013340745
117592110
124574409
1329c1342
141ab3b05
151287c30
hexcb9049

13340745 has 24 divisors (see below), whose sum is σ = 25227072. Its totient is φ = 6468000.

The previous prime is 13340737. The next prime is 13340753. The reversal of 13340745 is 54704331.

It is an interprime number because it is at equal distance from previous prime (13340737) and next prime (13340753).

It is not a de Polignac number, because 13340745 - 23 = 13340737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12981 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (1051128).

Almost surely, 213340745 is an apocalyptic number.

13340745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13340745 is a deficient number, since it is larger than the sum of its proper divisors (11886327).

13340745 is a wasteful number, since it uses less digits than its factorization.

13340745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26973 (or 26970 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 13340745 is about 3652.4984599586. The cubic root of 13340745 is about 237.1701496732.

The spelling of 13340745 in words is "thirteen million, three hundred forty thousand, seven hundred forty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 26951 80853 134755 242559 296461 404265 889383 1212795 1482305 2668149 4446915 13340745