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10521054 = 2324571279
BaseRepresentation
bin101000001000…
…100111011110
3201210112011200
4220020213132
510143133204
61013300330
7155266425
oct50104736
921715150
1010521054
115a36695
1236346a6
132244a9b
14157c2bc
15dcc539
hexa089de

10521054 has 24 divisors (see below), whose sum is σ = 22863360. Its totient is φ = 3496608.

The previous prime is 10521053. The next prime is 10521089. The reversal of 10521054 is 45012501.

It is a super-2 number, since 2×105210542 = 221385154541832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521053) 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, 7587 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (952640).

Almost surely, 210521054 is an apocalyptic number.

10521054 is an abundant number, since it is smaller than the sum of its proper divisors (12342306).

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

10521054 is a wasteful number, since it uses less digits than its factorization.

10521054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10521054 is about 3243.6174250364. The cubic root of 10521054 is about 219.1222186381.

Adding to 10521054 its reverse (45012501), we get a palindrome (55533555).

The spelling of 10521054 in words is "ten million, five hundred twenty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 18 457 914 1279 1371 2558 2742 3837 4113 7674 8226 11511 23022 584503 1169006 1753509 3507018 5260527 10521054