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13130350 = 252313839
BaseRepresentation
bin110010000101…
…101001101110
3220201002110021
4302011221232
511330132400
61145232354
7216414622
oct62055156
926632407
1013130350
117459032
1244926ba
13294964c
141a5b182
15124571a
hexc85a6e

13130350 has 24 divisors (see below), whose sum is σ = 24529680. Its totient is φ = 5229120.

The previous prime is 13130339. The next prime is 13130363. The reversal of 13130350 is 5303131.

13130350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131303502 = 344812182245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15231 + ... + 16069.

It is an arithmetic number, because the mean of its divisors is an integer number (1022070).

Almost surely, 213130350 is an apocalyptic number.

13130350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13130350 is a deficient number, since it is larger than the sum of its proper divisors (11399330).

13130350 is a wasteful number, since it uses less digits than its factorization.

13130350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 13130350 is about 3623.5824814678. The cubic root of 13130350 is about 235.9167450275.

Adding to 13130350 its reverse (5303131), we get a palindrome (18433481).

The spelling of 13130350 in words is "thirteen million, one hundred thirty thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 313 626 839 1565 1678 3130 4195 7825 8390 15650 20975 41950 262607 525214 1313035 2626070 6565175 13130350