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12752230 = 2519411637
BaseRepresentation
bin110000101001…
…010101100110
3212222212202211
4300221111212
511231032410
61133154034
7213251341
oct60512546
925885684
1012752230
11721aa37
12432b91a
1328464ca
14199d458
1511bd68a
hexc29566

12752230 has 32 divisors (see below), whose sum is σ = 24766560. Its totient is φ = 4711680.

The previous prime is 12752183. The next prime is 12752231. The reversal of 12752230 is 3225721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6972 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (773955).

Almost surely, 212752230 is an apocalyptic number.

12752230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12752230 is a deficient number, since it is larger than the sum of its proper divisors (12014330).

12752230 is a wasteful number, since it uses less digits than its factorization.

12752230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12752230 is about 3571.0264630775. The cubic root of 12752230 is about 233.6300556147.

Adding to 12752230 its reverse (3225721), we get a palindrome (15977951).

The spelling of 12752230 in words is "twelve million, seven hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 41 82 95 190 205 410 779 1558 1637 3274 3895 7790 8185 16370 31103 62206 67117 134234 155515 311030 335585 671170 1275223 2550446 6376115 12752230