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10120800 = 253524217
BaseRepresentation
bin100110100110…
…111001100000
3201001012010110
4212212321200
510042331200
61000531320
7152011464
oct46467140
921035113
1010120800
1157929a8
123480b40
132134851
1414b64a4
15d4db50
hex9a6e60

10120800 has 72 divisors (see below), whose sum is σ = 32951016. Its totient is φ = 2698240.

The previous prime is 10120783. The next prime is 10120807. The reversal of 10120800 is 802101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 292 + ... + 4508.

It is an arithmetic number, because the mean of its divisors is an integer number (457653).

Almost surely, 210120800 is an apocalyptic number.

10120800 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 10120800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16475508).

10120800 is an abundant number, since it is smaller than the sum of its proper divisors (22830216).

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

10120800 is a wasteful number, since it uses less digits than its factorization.

10120800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10120800 is about 3181.3204805552. The cubic root of 10120800 is about 216.3075180846.

Adding to 10120800 its reverse (802101), we get a palindrome (10922901).

The spelling of 10120800 in words is "ten million, one hundred twenty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 4217 8434 12651 16868 21085 25302 33736 42170 50604 63255 67472 84340 101208 105425 126510 134944 168680 202416 210850 253020 316275 337360 404832 421700 506040 632550 674720 843400 1012080 1265100 1686800 2024160 2530200 3373600 5060400 10120800