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10556380 = 225527819
BaseRepresentation
bin101000010001…
…001111011100
3201212022122001
4220101033130
510200301010
61014132044
7155504422
oct50211734
921768561
1010556380
115a6018a
123651024
132257ba3
14158b112
15dd7c3a
hexa113dc

10556380 has 12 divisors (see below), whose sum is σ = 22168440. Its totient is φ = 4222544.

The previous prime is 10556363. The next prime is 10556387. The reversal of 10556380 is 8365501.

It is a super-2 number, since 2×105563802 = 222874317408800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556387) 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 3 ways as a sum of consecutive naturals, for example, 263890 + ... + 263929.

It is an arithmetic number, because the mean of its divisors is an integer number (1847370).

Almost surely, 210556380 is an apocalyptic number.

10556380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10556380 is an abundant number, since it is smaller than the sum of its proper divisors (11612060).

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

10556380 is a wasteful number, since it uses less digits than its factorization.

10556380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527828 (or 527826 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10556380 is about 3249.0583251151. The cubic root of 10556380 is about 219.3671897880.

The spelling of 10556380 in words is "ten million, five hundred fifty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 527819 1055638 2111276 2639095 5278190 10556380