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14840631 = 331342281
BaseRepresentation
bin111000100111…
…001100110111
31000220222112000
4320213030313
512244400011
61250030343
7240100101
oct70471467
930828460
1014840631
118416a93
124b783b3
1330c7c50
141d84571
151482356
hexe27337

14840631 has 16 divisors (see below), whose sum is σ = 23677920. Its totient is φ = 9132480.

The previous prime is 14840627. The next prime is 14840641. The reversal of 14840631 is 13604841.

It is not a de Polignac number, because 14840631 - 22 = 14840627 is a prime.

It is a super-2 number, since 2×148406312 = 440488656956322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 14840595 and 14840604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14840611) 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, 20790 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (1479870).

Almost surely, 214840631 is an apocalyptic number.

14840631 is a deficient number, since it is larger than the sum of its proper divisors (8837289).

14840631 is a wasteful number, since it uses less digits than its factorization.

14840631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42303 (or 42297 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 14840631 is about 3852.3539557003. The cubic root of 14840631 is about 245.7446785817.

The spelling of 14840631 in words is "fourteen million, eight hundred forty thousand, six hundred thirty-one".

Divisors: 1 3 9 13 27 39 117 351 42281 126843 380529 549653 1141587 1648959 4946877 14840631