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10521412 = 2211436783
BaseRepresentation
bin101000001000…
…101101000100
3201210112122221
4220020231010
510143141122
61013302124
7155300446
oct50105504
921715587
1010521412
115a36990
123634944
132244cb5
14157c496
15dcc6c7
hexa08b44

10521412 has 48 divisors (see below), whose sum is σ = 21111552. Its totient is φ = 4546080.

The previous prime is 10521377. The next prime is 10521437. The reversal of 10521412 is 21412501.

It is a super-2 number, since 2×105214122 = 221400220947488, 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 15 ways as a sum of consecutive naturals, for example, 126723 + ... + 126805.

It is an arithmetic number, because the mean of its divisors is an integer number (439824).

Almost surely, 210521412 is an apocalyptic number.

It is an amenable number.

10521412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

10521412 is a wasteful number, since it uses less digits than its factorization.

10521412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 10521412 is about 3243.6726098668. The cubic root of 10521412 is about 219.1247039678.

Adding to 10521412 its reverse (21412501), we get a palindrome (31933913).

It can be divided in two parts, 105 and 21412, that multiplied together give a triangular number (2248260 = T2120).

The spelling of 10521412 in words is "ten million, five hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 11 22 43 44 67 83 86 134 166 172 268 332 473 737 913 946 1474 1826 1892 2881 2948 3569 3652 5561 5762 7138 11122 11524 14276 22244 31691 39259 61171 63382 78518 122342 126764 157036 239123 244684 478246 956492 2630353 5260706 10521412