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14397732 = 2232399937
BaseRepresentation
bin110110111011…
…000100100100
31000002110222100
4312323010210
512141211412
61232332100
7233243616
oct66730444
930073870
1014397732
118144258
1249a4030
132ca148b
141caadb6
1513e5edc
hexdbb124

14397732 has 18 divisors (see below), whose sum is σ = 36394358. Its totient is φ = 4799232.

The previous prime is 14397731. The next prime is 14397737. The reversal of 14397732 is 23779341.

14397732 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11655396 + 2742336 = 3414^2 + 1656^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 399937 = 14397732 / (1 + 4 + 3 + 9 + 7 + 7 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (14397731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199933 + ... + 200004.

Almost surely, 214397732 is an apocalyptic number.

14397732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14397732 is an abundant number, since it is smaller than the sum of its proper divisors (21996626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14397732 is a wasteful number, since it uses less digits than its factorization.

14397732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399947 (or 399942 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 14397732 is about 3794.4343451956. The cubic root of 14397732 is about 243.2753065281.

It can be divided in two parts, 14397 and 732, that added together give a square (15129 = 1232).

The spelling of 14397732 in words is "fourteen million, three hundred ninety-seven thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 399937 799874 1199811 1599748 2399622 3599433 4799244 7198866 14397732