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15135080 = 2353671031
BaseRepresentation
bin111001101111…
…000101101000
31001110221102112
4321233011220
512333310310
61300221452
7242434412
oct71570550
931427375
1015135080
1185a8234
12509a888
13319bc8c
14201d9b2
1514de705
hexe6f168

15135080 has 32 divisors (see below), whose sum is σ = 34179840. Its totient is φ = 6031680.

The previous prime is 15135067. The next prime is 15135089. The reversal of 15135080 is 8053151.

It is not an unprimeable number, because it can be changed into a prime (15135089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14165 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (1068120).

Almost surely, 215135080 is an apocalyptic number.

15135080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15135080 is an abundant number, since it is smaller than the sum of its proper divisors (19044760).

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

15135080 is a wasteful number, since it uses less digits than its factorization.

15135080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 15135080 is about 3890.3830145630. The cubic root of 15135080 is about 247.3592983222.

The spelling of 15135080 in words is "fifteen million, one hundred thirty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 367 734 1031 1468 1835 2062 2936 3670 4124 5155 7340 8248 10310 14680 20620 41240 378377 756754 1513508 1891885 3027016 3783770 7567540 15135080