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13836380 = 2254911409
BaseRepresentation
bin110100110010…
…000001011100
3222000221221112
4310302001130
512020231010
61212321152
7225415205
oct64620134
928027845
1013836380
1178a0528
1247731b8
132b35b0c
141ba25ac
151334a05
hexd3205c

13836380 has 24 divisors (see below), whose sum is σ = 29136240. Its totient is φ = 5519360.

The previous prime is 13836379. The next prime is 13836391. The reversal of 13836380 is 8363831.

It is a happy number.

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, 9116 + ... + 10524.

It is an arithmetic number, because the mean of its divisors is an integer number (1214010).

Almost surely, 213836380 is an apocalyptic number.

13836380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13836380 is an abundant number, since it is smaller than the sum of its proper divisors (15299860).

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

13836380 is a wasteful number, since it uses less digits than its factorization.

13836380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13836380 is about 3719.7284847150. The cubic root of 13836380 is about 240.0716221425.

The spelling of 13836380 in words is "thirteen million, eight hundred thirty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 491 982 1409 1964 2455 2818 4910 5636 7045 9820 14090 28180 691819 1383638 2767276 3459095 6918190 13836380