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13823800 = 235269119
BaseRepresentation
bin110100101110…
…111100111000
3222000022200121
4310232330320
512014330200
61212143024
7225333424
oct64567470
928008617
1013823800
117892031
124767a74
132b30183
141b9bb84
151330e1a
hexd2ef38

13823800 has 24 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 5529440.

The previous prime is 13823779. The next prime is 13823801. The reversal of 13823800 is 832831.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34360 + ... + 34759.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 213823800 is an apocalyptic number.

13823800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13823800 is an abundant number, since it is smaller than the sum of its proper divisors (18317000).

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

13823800 is a wasteful number, since it uses less digits than its factorization.

13823800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69135 (or 69126 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13823800 is about 3718.0371165442. The cubic root of 13823800 is about 239.9988425870.

The spelling of 13823800 in words is "thirteen million, eight hundred twenty-three thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 69119 138238 276476 345595 552952 691190 1382380 1727975 2764760 3455950 6911900 13823800