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14864421 = 3111334649
BaseRepresentation
bin111000101101…
…000000100101
31000222012011010
4320231000211
512301130141
61250332433
7240226335
oct70550045
930865133
1014864421
118432950
124b8a119
133105a20
141d8d0c5
151489416
hexe2d025

14864421 has 16 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 8315520.

The previous prime is 14864411. The next prime is 14864429. The reversal of 14864421 is 12446841.

It is not a de Polignac number, because 14864421 - 26 = 14864357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14864429) 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, 16896 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 214864421 is an apocalyptic number.

14864421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14864421 is a deficient number, since it is larger than the sum of its proper divisors (8420379).

14864421 is a wasteful number, since it uses less digits than its factorization.

14864421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34676.

The product of its digits is 6144, while the sum is 30.

The square root of 14864421 is about 3855.4404417654. The cubic root of 14864421 is about 245.8759206375.

The spelling of 14864421 in words is "fourteen million, eight hundred sixty-four thousand, four hundred twenty-one".

Divisors: 1 3 11 13 33 39 143 429 34649 103947 381139 450437 1143417 1351311 4954807 14864421