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14314781 = 1341107251
BaseRepresentation
bin110110100110…
…110100011101
3222221021012002
4312212310131
512131033111
61230452045
7232450025
oct66466435
928837162
1014314781
1180979a8
124964025
132c727b0
141c88a85
1513cb63b
hexda6d1d

14314781 has 16 divisors (see below), whose sum is σ = 16003008. Its totient is φ = 12720000.

The previous prime is 14314759. The next prime is 14314787. The reversal of 14314781 is 18741341.

It is a cyclic number.

It is not a de Polignac number, because 14314781 - 214 = 14298397 is a prime.

It is a super-2 number, since 2×143147812 = 409825910155922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14314787) 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, 56906 + ... + 57156.

It is an arithmetic number, because the mean of its divisors is an integer number (1000188).

Almost surely, 214314781 is an apocalyptic number.

It is an amenable number.

14314781 is a deficient number, since it is larger than the sum of its proper divisors (1688227).

14314781 is a wasteful number, since it uses less digits than its factorization.

14314781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its digits is 2688, while the sum is 29.

The square root of 14314781 is about 3783.4879410406. The cubic root of 14314781 is about 242.8072048087.

The spelling of 14314781 in words is "fourteen million, three hundred fourteen thousand, seven hundred eighty-one".

Divisors: 1 13 41 107 251 533 1391 3263 4387 10291 26857 57031 133783 349141 1101137 14314781