Base | Representation |
---|---|
bin | 101000001000… |
… | …101101000100 |
3 | 201210112122221 |
4 | 220020231010 |
5 | 10143141122 |
6 | 1013302124 |
7 | 155300446 |
oct | 50105504 |
9 | 21715587 |
10 | 10521412 |
11 | 5a36990 |
12 | 3634944 |
13 | 2244cb5 |
14 | 157c496 |
15 | dcc6c7 |
hex | a08b44 |
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".
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