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13833780 = 2235230563
BaseRepresentation
bin110100110001…
…011000110100
3222000211101020
4310301120310
512020140110
61212301140
7225404502
oct64613064
928024336
1013833780
117899584
1247717b0
132b3488c
141ba1672
151333d70
hexd31634

13833780 has 24 divisors (see below), whose sum is σ = 38734752. Its totient is φ = 3688992.

The previous prime is 13833773. The next prime is 13833791. The reversal of 13833780 is 8733831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115222 + ... + 115341.

It is an arithmetic number, because the mean of its divisors is an integer number (1613948).

Almost surely, 213833780 is an apocalyptic number.

13833780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13833780 is an abundant number, since it is smaller than the sum of its proper divisors (24900972).

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

13833780 is a wasteful number, since it uses less digits than its factorization.

13833780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230575 (or 230573 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13833780 is about 3719.3789804213. The cubic root of 13833780 is about 240.0565838806.

The spelling of 13833780 in words is "thirteen million, eight hundred thirty-three thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 230563 461126 691689 922252 1152815 1383378 2305630 2766756 3458445 4611260 6916890 13833780