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13530750 = 235318041
BaseRepresentation
bin110011100111…
…011001111110
3221110102200220
4303213121332
511430441000
61202002210
7223003152
oct63473176
927412626
1013530750
117701942
124646366
132a5997c
141b23062
1512c41a0
hexce767e

13530750 has 32 divisors (see below), whose sum is σ = 33774624. Its totient is φ = 3608000.

The previous prime is 13530709. The next prime is 13530757. The reversal of 13530750 is 5703531.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13530750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530757) 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, 8271 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (1055457).

Almost surely, 213530750 is an apocalyptic number.

13530750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13530750 is an abundant number, since it is smaller than the sum of its proper divisors (20243874).

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

13530750 is a wasteful number, since it uses less digits than its factorization.

13530750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061 (or 18051 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 13530750 is about 3678.4167789961. The cubic root of 13530750 is about 238.2908080462.

The spelling of 13530750 in words is "thirteen million, five hundred thirty thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 18041 36082 54123 90205 108246 180410 270615 451025 541230 902050 1353075 2255125 2706150 4510250 6765375 13530750