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14940457 = 72134351
BaseRepresentation
bin111000111111…
…100100101001
31001010001110021
4320333210221
512311043312
61252120441
7240664120
oct70774451
931101407
1014940457
118484a94
125006121
13313150c
141dacab7
1514a1c07
hexe3f929

14940457 has 4 divisors (see below), whose sum is σ = 17074816. Its totient is φ = 12806100.

The previous prime is 14940449. The next prime is 14940461. The reversal of 14940457 is 75404941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75404941 = 163462607.

It is a cyclic number.

It is not a de Polignac number, because 14940457 - 23 = 14940449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14940427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067169 + ... + 1067182.

It is an arithmetic number, because the mean of its divisors is an integer number (4268704).

Almost surely, 214940457 is an apocalyptic number.

It is an amenable number.

14940457 is a deficient number, since it is larger than the sum of its proper divisors (2134359).

14940457 is an equidigital number, since it uses as much as digits as its factorization.

14940457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134358.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 14940457 is about 3865.2887343638. The cubic root of 14940457 is about 246.2944509928.

The spelling of 14940457 in words is "fourteen million, nine hundred forty thousand, four hundred fifty-seven".

Divisors: 1 7 2134351 14940457