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13340742 = 232223457
BaseRepresentation
bin110010111001…
…000001000110
3221002210001120
4302321001012
511403400432
61153534410
7221252202
oct62710106
927083046
1013340742
117592108
124574406
1329c133c
141ab3b02
151287c2c
hexcb9046

13340742 has 8 divisors (see below), whose sum is σ = 26681496. Its totient is φ = 4446912.

The previous prime is 13340737. The next prime is 13340753. The reversal of 13340742 is 24704331.

It is a sphenic number, since it is the product of 3 distinct primes.

13340742 is an admirable number.

It is a super-2 number, since 2×133407422 = 355950794221128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111723 + ... + 1111734.

It is an arithmetic number, because the mean of its divisors is an integer number (3335187).

Almost surely, 213340742 is an apocalyptic number.

13340742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13340742 is a wasteful number, since it uses less digits than its factorization.

13340742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223462.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13340742 is about 3652.4980492808. The cubic root of 13340742 is about 237.1701318953.

The spelling of 13340742 in words is "thirteen million, three hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 2223457 4446914 6670371 13340742