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13274420 = 2251076203
BaseRepresentation
bin110010101000…
…110100110100
3220222102002012
4302220310310
511344240140
61152303352
7220554635
oct62506464
926872065
1013274420
1175472a5
124541b58
13299a0b3
141a9788c
151273265
hexca8d34

13274420 has 24 divisors (see below), whose sum is σ = 28141344. Its totient is φ = 5259296.

The previous prime is 13274411. The next prime is 13274423. The reversal of 13274420 is 2447231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13274423) 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 7 ways as a sum of consecutive naturals, for example, 962 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (1172556).

Almost surely, 213274420 is an apocalyptic number.

13274420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13274420 is an abundant number, since it is smaller than the sum of its proper divisors (14866924).

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

13274420 is a wasteful number, since it uses less digits than its factorization.

13274420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319 (or 6317 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13274420 is about 3643.4077455042. The cubic root of 13274420 is about 236.7764572483.

The spelling of 13274420 in words is "thirteen million, two hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 6203 12406 24812 31015 62030 124060 663721 1327442 2654884 3318605 6637210 13274420