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14237725 = 521374157
BaseRepresentation
bin110110010100…
…000000011101
3222210100111011
4312110000131
512121101400
61225055221
7232006255
oct66240035
928710434
1014237725
118045017
124927511
132c466b8
141c68965
1513b38ba
hexd9401d

14237725 has 12 divisors (see below), whose sum is σ = 17787924. Its totient is φ = 11304320.

The previous prime is 14237723. The next prime is 14237731. The reversal of 14237725 is 52773241.

It can be written as a sum of positive squares in 6 ways, for example, as 205209 + 14032516 = 453^2 + 3746^2 .

It is not a de Polignac number, because 14237725 - 21 = 14237723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14237723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1347 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1482327).

Almost surely, 214237725 is an apocalyptic number.

It is an amenable number.

14237725 is a deficient number, since it is larger than the sum of its proper divisors (3550199).

14237725 is a wasteful number, since it uses less digits than its factorization.

14237725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 4299 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 14237725 is about 3773.2910038851. The cubic root of 14237725 is about 242.3707462963.

The spelling of 14237725 in words is "fourteen million, two hundred thirty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 137 685 3425 4157 20785 103925 569509 2847545 14237725