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11538400 = 255214423
BaseRepresentation
bin101100000000…
…111111100000
3210201012201011
4230000333200
510423212100
61051150304
7200034436
oct54007740
923635634
1011538400
116570a75
123a45394
13250cb73
141764d56
15102dbba
hexb00fe0

11538400 has 36 divisors (see below), whose sum is σ = 28170072. Its totient is φ = 4615040.

The previous prime is 11538383. The next prime is 11538403. The reversal of 11538400 is 483511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538403) 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, 6412 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (782502).

Almost surely, 211538400 is an apocalyptic number.

11538400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11538400 is an abundant number, since it is smaller than the sum of its proper divisors (16631672).

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

11538400 is a wasteful number, since it uses less digits than its factorization.

11538400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443 (or 14430 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11538400 is about 3396.8220442054. The cubic root of 11538400 is about 225.9688264622.

The spelling of 11538400 in words is "eleven million, five hundred thirty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 14423 28846 57692 72115 115384 144230 230768 288460 360575 461536 576920 721150 1153840 1442300 2307680 2884600 5769200 11538400