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13530770 = 2511123007
BaseRepresentation
bin110011100111…
…011010010010
3221110102201122
4303213122102
511430441040
61202002242
7223003211
oct63473222
927412648
1013530770
117701960
124646382
132a59996
141b23078
1512c41b5
hexce7692

13530770 has 16 divisors (see below), whose sum is σ = 26569728. Its totient is φ = 4920240.

The previous prime is 13530763. The next prime is 13530809. The reversal of 13530770 is 7703531.

It is an unprimeable number.

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, 61394 + ... + 61613.

It is an arithmetic number, because the mean of its divisors is an integer number (1660608).

Almost surely, 213530770 is an apocalyptic number.

13530770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13530770 is a deficient number, since it is larger than the sum of its proper divisors (13038958).

13530770 is a wasteful number, since it uses less digits than its factorization.

13530770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123025.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 13530770 is about 3678.4194975560. The cubic root of 13530770 is about 238.2909254532.

The spelling of 13530770 in words is "thirteen million, five hundred thirty thousand, seven hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 123007 246014 615035 1230070 1353077 2706154 6765385 13530770