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13050504 = 2333311949
BaseRepresentation
bin110001110010…
…001010001000
3220120000221000
4301302022020
511320104004
61143415000
7215633055
oct61621210
926500830
1013050504
117404045
124454460
13291c1bc
141a3a02c
15122bc39
hexc72288

13050504 has 64 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 4207680.

The previous prime is 13050503. The next prime is 13050533. The reversal of 13050504 is 40505031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13050503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5722 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (585000).

Almost surely, 213050504 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 13050504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18720000).

13050504 is an abundant number, since it is smaller than the sum of its proper divisors (24389496).

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

13050504 is a wasteful number, since it uses less digits than its factorization.

13050504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 13050504 is about 3612.5481311673. The cubic root of 13050504 is about 235.4375671248.

Adding to 13050504 its reverse (40505031), we get a palindrome (53555535).

The spelling of 13050504 in words is "thirteen million, fifty thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 1949 2232 3348 3898 5847 6696 7796 11694 15592 17541 23388 35082 46776 52623 60419 70164 105246 120838 140328 181257 210492 241676 362514 420984 483352 543771 725028 1087542 1450056 1631313 2175084 3262626 4350168 6525252 13050504