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13418772 = 22310910259
BaseRepresentation
bin110011001100…
…000100010100
3221020202002120
4303030010110
511413400042
61155335540
7222025533
oct63140424
927222076
1013418772
1176357a4
1245b15b0
132a1aa03
141ad431a
1512a0dec
hexccc114

13418772 has 24 divisors (see below), whose sum is σ = 31600800. Its totient is φ = 4431456.

The previous prime is 13418771. The next prime is 13418803. The reversal of 13418772 is 27781431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13418771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (1316700).

Almost surely, 213418772 is an apocalyptic number.

13418772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13418772 is an abundant number, since it is smaller than the sum of its proper divisors (18182028).

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

13418772 is a wasteful number, since it uses less digits than its factorization.

13418772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375 (or 10373 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 13418772 is about 3663.1642059837. The cubic root of 13418772 is about 237.6316359830.

The spelling of 13418772 in words is "thirteen million, four hundred eighteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 10259 20518 30777 41036 61554 123108 1118231 2236462 3354693 4472924 6709386 13418772