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13054128 = 243431631
BaseRepresentation
bin110001110011…
…000010110000
3220120012220020
4301303002300
511320213003
61143443440
7215646453
oct61630260
926505806
1013054128
11740683a
124456580
132920a49
141a3b49a
15122cd53
hexc730b0

13054128 has 40 divisors (see below), whose sum is σ = 33854976. Its totient is φ = 4334400.

The previous prime is 13054127. The next prime is 13054169. The reversal of 13054128 is 82145031.

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 = 13054098 and 13054107.

It is not an unprimeable number, because it can be changed into a prime (13054127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20373 + ... + 21003.

Almost surely, 213054128 is an apocalyptic number.

It is an amenable number.

13054128 is an abundant number, since it is smaller than the sum of its proper divisors (20800848).

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

13054128 is a wasteful number, since it uses less digits than its factorization.

13054128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13054128 is about 3613.0496813634. The cubic root of 13054128 is about 235.4593580272.

Adding to 13054128 its reverse (82145031), we get a palindrome (95199159).

The spelling of 13054128 in words is "thirteen million, fifty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 431 631 862 1262 1293 1724 1893 2524 2586 3448 3786 5048 5172 6896 7572 10096 10344 15144 20688 30288 271961 543922 815883 1087844 1631766 2175688 3263532 4351376 6527064 13054128