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15135070 = 257121317
BaseRepresentation
bin111001101111…
…000101011110
31001110221102011
4321233011132
512333310240
61300221434
7242434366
oct71570536
931427364
1015135070
1185a8225
12509a87a
13319bc82
14201d9a6
1514de6ea
hexe6f15e

15135070 has 16 divisors (see below), whose sum is σ = 27628128. Its totient is φ = 5968480.

The previous prime is 15135067. The next prime is 15135089. The reversal of 15135070 is 7053151.

It is a congruent number.

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, 9949 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (1726758).

Almost surely, 215135070 is an apocalyptic number.

15135070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15135070 is a deficient number, since it is larger than the sum of its proper divisors (12493058).

15135070 is a wasteful number, since it uses less digits than its factorization.

15135070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21395.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 15135070 is about 3890.3817293423. The cubic root of 15135070 is about 247.3592438440.

The spelling of 15135070 in words is "fifteen million, one hundred thirty-five thousand, seventy".

Divisors: 1 2 5 10 71 142 355 710 21317 42634 106585 213170 1513507 3027014 7567535 15135070