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10521074 = 223439521
BaseRepresentation
bin101000001000…
…100111110010
3201210112012102
4220020213302
510143133244
61013300402
7155266454
oct50104762
921715172
1010521074
115a36703
123634702
132244ab5
14157c2d4
15dcc54e
hexa089f2

10521074 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 5010720.

The previous prime is 10521053. The next prime is 10521089. The reversal of 10521074 is 47012501.

It is a super-2 number, since 2×105210742 = 221385996226952, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19934 + ... + 20454.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 210521074 is an apocalyptic number.

10521074 is a deficient number, since it is larger than the sum of its proper divisors (6015886).

10521074 is a wasteful number, since it uses less digits than its factorization.

10521074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10521074 is about 3243.6205080126. The cubic root of 10521074 is about 219.1223574848.

Adding to 10521074 its reverse (47012501), we get a palindrome (57533575).

The spelling of 10521074 in words is "ten million, five hundred twenty-one thousand, seventy-four".

Divisors: 1 2 23 46 439 521 878 1042 10097 11983 20194 23966 228719 457438 5260537 10521074