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13253424 = 243276113
BaseRepresentation
bin110010100011…
…101100110000
3220221100021120
4302203230300
511343102144
61152022240
7220436502
oct62435460
926840246
1013253424
117532548
124531980
132990682
141a8dd72
15126be19
hexca3b30

13253424 has 20 divisors (see below), whose sum is σ = 34238136. Its totient is φ = 4417792.

The previous prime is 13253423. The next prime is 13253441. The reversal of 13253424 is 42435231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 13253394 and 13253403.

It is not an unprimeable number, because it can be changed into a prime (13253423) 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 3 ways as a sum of consecutive naturals, for example, 138009 + ... + 138104.

Almost surely, 213253424 is an apocalyptic number.

It is an amenable number.

13253424 is an abundant number, since it is smaller than the sum of its proper divisors (20984712).

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

13253424 is a wasteful number, since it uses less digits than its factorization.

13253424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276124 (or 276118 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 13253424 is about 3640.5252368305. The cubic root of 13253424 is about 236.6515558251.

Adding to 13253424 its reverse (42435231), we get a palindrome (55688655).

The spelling of 13253424 in words is "thirteen million, two hundred fifty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 276113 552226 828339 1104452 1656678 2208904 3313356 4417808 6626712 13253424