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13013024 = 2517191259
BaseRepresentation
bin110001101001…
…000000100000
3220111010111212
4301221000200
511312404044
61142525252
7215415563
oct61510040
926433455
1013013024
117388972
124436828
13290811b
141a2a4da
151220a9e
hexc69020

13013024 has 48 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 5796864.

The previous prime is 13013023. The next prime is 13013027. The reversal of 13013024 is 42031031.

It is not an unprimeable number, because it can be changed into a prime (13013023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707 + ... + 10965.

It is an arithmetic number, because the mean of its divisors is an integer number (595350).

Almost surely, 213013024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14288400).

13013024 is an abundant number, since it is smaller than the sum of its proper divisors (15563776).

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

13013024 is a wasteful number, since it uses less digits than its factorization.

13013024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13013024 is about 3607.3569271698. The cubic root of 13013024 is about 235.2119650846.

Adding to 13013024 its reverse (42031031), we get a palindrome (55044055).

The spelling of 13013024 in words is "thirteen million, thirteen thousand, twenty-four".

Divisors: 1 2 4 8 16 17 19 32 34 38 68 76 136 152 272 304 323 544 608 646 1259 1292 2518 2584 5036 5168 10072 10336 20144 21403 23921 40288 42806 47842 85612 95684 171224 191368 342448 382736 406657 684896 765472 813314 1626628 3253256 6506512 13013024