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13045732 = 2271727407
BaseRepresentation
bin110001110000…
…111111100100
3220112210101021
4301300333210
511314430412
61143340524
7215613130
oct61607744
926483337
1013045732
1174004a7
124451744
132919c8b
141a383c0
15122a607
hexc70fe4

13045732 has 24 divisors (see below), whose sum is σ = 27627264. Its totient is φ = 5261952.

The previous prime is 13045729. The next prime is 13045751. The reversal of 13045732 is 23754031.

It is a super-2 number, since 2×130457322 = 340382246831648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13045697 and 13045706.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13228 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (1151136).

Almost surely, 213045732 is an apocalyptic number.

It is an amenable number.

13045732 is an abundant number, since it is smaller than the sum of its proper divisors (14581532).

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

13045732 is a wasteful number, since it uses less digits than its factorization.

13045732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27435 (or 27433 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13045732 is about 3611.8875951502. The cubic root of 13045732 is about 235.4088672106.

Adding to 13045732 its reverse (23754031), we get a palindrome (36799763).

The spelling of 13045732 in words is "thirteen million, forty-five thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 27407 54814 109628 191849 383698 465919 767396 931838 1863676 3261433 6522866 13045732