Base | Representation |
---|---|
bin | 101001111001… |
… | …000000110001 |
3 | 202122220200110 |
4 | 221321000301 |
5 | 10302401200 |
6 | 1031211533 |
7 | 162224550 |
oct | 51710061 |
9 | 22586613 |
10 | 10981425 |
11 | 6220564 |
12 | 3816ba9 |
13 | 23764b0 |
14 | 165bd97 |
15 | e6db50 |
hex | a79031 |
10981425 has 48 divisors (see below), whose sum is σ = 22359680. Its totient is φ = 4631040.
The previous prime is 10981393. The next prime is 10981429. The reversal of 10981425 is 52418901.
It is a happy number.
It is not a de Polignac number, because 10981425 - 25 = 10981393 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10981392 and 10981401.
It is not an unprimeable number, because it can be changed into a prime (10981429) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6021 + ... + 7629.
Almost surely, 210981425 is an apocalyptic number.
10981425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10981425 is an abundant number, since it is smaller than the sum of its proper divisors (11378255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10981425 is a wasteful number, since it uses less digits than its factorization.
10981425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1642 (or 1637 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 10981425 is about 3313.8233205770. The cubic root of 10981425 is about 222.2727554061.
The spelling of 10981425 in words is "ten million, nine hundred eighty-one thousand, four hundred twenty-five".
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