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12502230 = 2351332057
BaseRepresentation
bin101111101100…
…010011010110
3212112011211120
4233230103112
511200032410
61123544410
7211160436
oct57542326
925464746
1012502230
11706a124
12422b106
132789790
1419362c6
15116e570
hexbec4d6

12502230 has 32 divisors (see below), whose sum is σ = 32314464. Its totient is φ = 3077376.

The previous prime is 12502229. The next prime is 12502249. The reversal of 12502230 is 3220521.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15639 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (1009827).

Almost surely, 212502230 is an apocalyptic number.

12502230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12502230 is an abundant number, since it is smaller than the sum of its proper divisors (19812234).

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

12502230 is a wasteful number, since it uses less digits than its factorization.

12502230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32080.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12502230 is about 3535.8492614929. The cubic root of 12502230 is about 232.0932418508.

Adding to 12502230 its reverse (3220521), we get a palindrome (15722751).

The spelling of 12502230 in words is "twelve million, five hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 32057 64114 96171 160285 192342 320570 416741 480855 833482 961710 1250223 2083705 2500446 4167410 6251115 12502230