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12252910 = 251964489
BaseRepresentation
bin101110101111…
…011011101110
3212001111211111
4232233123232
511114043120
61114342234
7206101525
oct56573356
925044744
1012252910
116a0987a
12412a97a
132700157
1418ad4bc
15112075a
hexbaf6ee

12252910 has 16 divisors (see below), whose sum is σ = 23216400. Its totient is φ = 4643136.

The previous prime is 12252901. The next prime is 12252913. The reversal of 12252910 is 1925221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32055 + ... + 32434.

It is an arithmetic number, because the mean of its divisors is an integer number (1451025).

Almost surely, 212252910 is an apocalyptic number.

12252910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12252910 is a deficient number, since it is larger than the sum of its proper divisors (10963490).

12252910 is a wasteful number, since it uses less digits than its factorization.

12252910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64515.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12252910 is about 3500.4156896003. The cubic root of 12252910 is about 230.5400667218.

The spelling of 12252910 in words is "twelve million, two hundred fifty-two thousand, nine hundred ten".

Divisors: 1 2 5 10 19 38 95 190 64489 128978 322445 644890 1225291 2450582 6126455 12252910