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10131200 = 28521583
BaseRepresentation
bin100110101001…
…011100000000
3201001201101122
4212221130000
510043144300
61001051412
7152054012
oct46513400
921051348
1010131200
11579a7a2
123486b68
1321394c1
1414ba1b2
15d51c85
hex9a9700

10131200 has 54 divisors (see below), whose sum is σ = 25092144. Its totient is φ = 4049920.

The previous prime is 10131181. The next prime is 10131211. The reversal of 10131200 is 213101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5609 + ... + 7191.

Almost surely, 210131200 is an apocalyptic number.

10131200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12546072).

10131200 is an abundant number, since it is smaller than the sum of its proper divisors (14960944).

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

10131200 is an equidigital number, since it uses as much as digits as its factorization.

10131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 10131200 is about 3182.9546022524. The cubic root of 10131200 is about 216.3815843005.

Adding to 10131200 its reverse (213101), we get a palindrome (10344301).

The spelling of 10131200 in words is "ten million, one hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1583 1600 3166 3200 6332 6400 7915 12664 15830 25328 31660 39575 50656 63320 79150 101312 126640 158300 202624 253280 316600 405248 506560 633200 1013120 1266400 2026240 2532800 5065600 10131200