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12264280 = 235743801
BaseRepresentation
bin101110110010…
…001101011000
3212002002102121
4232302031120
511114424110
61114511024
7206146630
oct56621530
925062377
1012264280
116a17376
124135474
132705392
1418b36c0
151123cda
hexbb2358

12264280 has 32 divisors (see below), whose sum is σ = 31537440. Its totient is φ = 4204800.

The previous prime is 12264277. The next prime is 12264319. The reversal of 12264280 is 8246221.

It is a happy number.

12264280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21621 + ... + 22180.

It is an arithmetic number, because the mean of its divisors is an integer number (985545).

Almost surely, 212264280 is an apocalyptic number.

12264280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12264280 is an abundant number, since it is smaller than the sum of its proper divisors (19273160).

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

12264280 is a wasteful number, since it uses less digits than its factorization.

12264280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43819 (or 43815 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12264280 is about 3502.0394058320. The cubic root of 12264280 is about 230.6113540103.

It can be divided in two parts, 12264 and 280, that added together give a square (12544 = 1122).

The spelling of 12264280 in words is "twelve million, two hundred sixty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 43801 87602 175204 219005 306607 350408 438010 613214 876020 1226428 1533035 1752040 2452856 3066070 6132140 12264280