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14505972 = 2231392987
BaseRepresentation
bin110111010101…
…011111110100
31000021222110020
4313111133310
512203142342
61234525140
7234204315
oct67253764
930258406
1014505972
118208608
124a367b0
13300b820
141cd860c
1514180ec
hexdd57f4

14505972 has 24 divisors (see below), whose sum is σ = 36451296. Its totient is φ = 4463328.

The previous prime is 14505943. The next prime is 14505977. The reversal of 14505972 is 27950541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14505977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46338 + ... + 46649.

It is an arithmetic number, because the mean of its divisors is an integer number (1518804).

Almost surely, 214505972 is an apocalyptic number.

14505972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14505972 is an abundant number, since it is smaller than the sum of its proper divisors (21945324).

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

14505972 is a wasteful number, since it uses less digits than its factorization.

14505972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93007 (or 93005 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 14505972 is about 3808.6706342240. The cubic root of 14505972 is about 243.8834209734.

The spelling of 14505972 in words is "fourteen million, five hundred five thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 92987 185974 278961 371948 557922 1115844 1208831 2417662 3626493 4835324 7252986 14505972