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10557404 = 22111318457
BaseRepresentation
bin101000010001…
…011111011100
3201212101000222
4220101133130
510200314104
61014140512
7155510414
oct50213734
921771028
1010557404
115a60a30
123651738
1322584b0
14158b644
15dd81be
hexa117dc

10557404 has 24 divisors (see below), whose sum is σ = 21706608. Its totient is φ = 4429440.

The previous prime is 10557373. The next prime is 10557409. The reversal of 10557404 is 40475501.

10557404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105574042 = 222917558438432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (904442).

Almost surely, 210557404 is an apocalyptic number.

It is an amenable number.

10557404 is an abundant number, since it is smaller than the sum of its proper divisors (11149204).

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

10557404 is a wasteful number, since it uses less digits than its factorization.

10557404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485 (or 18483 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 10557404 is about 3249.2159054147. The cubic root of 10557404 is about 219.3742826469.

The spelling of 10557404 in words is "ten million, five hundred fifty-seven thousand, four hundred four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 18457 36914 73828 203027 239941 406054 479882 812108 959764 2639351 5278702 10557404