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13311024 = 243674139
BaseRepresentation
bin110010110001…
…110000110000
3221001021021220
4302301300300
511401423044
61153145040
7221066436
oct62616060
927037256
1013311024
117571851
12455b180
1329b095c
141aa6d56
15127e019
hexcb1c30

13311024 has 40 divisors (see below), whose sum is σ = 34908480. Its totient is φ = 4369728.

The previous prime is 13311007. The next prime is 13311031. The reversal of 13311024 is 42011331.

It is a junction number, because it is equal to n+sod(n) for n = 13310994 and 13311012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (872712).

Almost surely, 213311024 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 13311024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17454240).

13311024 is an abundant number, since it is smaller than the sum of its proper divisors (21597456).

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

13311024 is a wasteful number, since it uses less digits than its factorization.

13311024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13311024 is about 3648.4276065176. The cubic root of 13311024 is about 236.9938932714.

Adding to 13311024 its reverse (42011331), we get a palindrome (55322355).

The spelling of 13311024 in words is "thirteen million, three hundred eleven thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 4139 8278 12417 16556 24834 33112 49668 66224 99336 198672 277313 554626 831939 1109252 1663878 2218504 3327756 4437008 6655512 13311024