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10650400 = 255213313
BaseRepresentation
bin101000101000…
…001100100000
3202001002121021
4220220030200
510211303100
61020135224
7156345505
oct50501440
922032537
1010650400
116014892
123697514
13228b917
1415b34ac
15e05a1a
hexa28320

10650400 has 36 divisors (see below), whose sum is σ = 26002242. Its totient is φ = 4259840.

The previous prime is 10650377. The next prime is 10650401. The reversal of 10650400 is 405601.

It can be written as a sum of positive squares in 3 ways, for example, as 7160976 + 3489424 = 2676^2 + 1868^2 .

It is a super-2 number, since 2×106504002 = 226862040320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10650401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5857 + ... + 7456.

Almost surely, 210650400 is an apocalyptic number.

10650400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10650400 is an abundant number, since it is smaller than the sum of its proper divisors (15351842).

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

10650400 is a wasteful number, since it uses less digits than its factorization.

10650400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333 (or 13320 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10650400 is about 3263.4950589820. The cubic root of 10650400 is about 220.0165276839.

The spelling of 10650400 in words is "ten million, six hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 13313 26626 53252 66565 106504 133130 213008 266260 332825 426016 532520 665650 1065040 1331300 2130080 2662600 5325200 10650400