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12192630 = 235547743
BaseRepresentation
bin101110100000…
…101101110110
3211221110010220
4232200231312
511110131010
61113155210
7205431012
oct56405566
924843126
1012192630
11697855a
1240bbb06
1326ab898
141895542
15110c970
hexba0b76

12192630 has 32 divisors (see below), whose sum is σ = 29355264. Its totient is φ = 3241056.

The previous prime is 12192613. The next prime is 12192637. The reversal of 12192630 is 3629121.

It is a self number, because there is not a number n which added to its sum of digits gives 12192630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16039 + ... + 16781.

It is an arithmetic number, because the mean of its divisors is an integer number (917352).

Almost surely, 212192630 is an apocalyptic number.

12192630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12192630 is an abundant number, since it is smaller than the sum of its proper divisors (17162634).

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

12192630 is a wasteful number, since it uses less digits than its factorization.

12192630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12192630 is about 3491.7946675027. The cubic root of 12192630 is about 230.1613864168.

The spelling of 12192630 in words is "twelve million, one hundred ninety-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 547 743 1094 1486 1641 2229 2735 3282 3715 4458 5470 7430 8205 11145 16410 22290 406421 812842 1219263 2032105 2438526 4064210 6096315 12192630