Base | Representation |
---|---|
bin | 100111001000… |
… | …010000011000 |
3 | 201022010112220 |
4 | 213020100120 |
5 | 10111214212 |
6 | 1003504040 |
7 | 153121023 |
oct | 47102030 |
9 | 21263486 |
10 | 10257432 |
11 | 5876619 |
12 | 3528020 |
13 | 2181ab3 |
14 | 15101ba |
15 | d7938c |
hex | 9c8418 |
10257432 has 32 divisors (see below), whose sum is σ = 26030400. Its totient is φ = 3367584.
The previous prime is 10257407. The next prime is 10257437. The reversal of 10257432 is 23475201.
It is a super-2 number, since 2×102574322 = 210429822469248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10257437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 4797.
It is an arithmetic number, because the mean of its divisors is an integer number (813450).
Almost surely, 210257432 is an apocalyptic number.
10257432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10257432 is an abundant number, since it is smaller than the sum of its proper divisors (15772968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10257432 is a wasteful number, since it uses less digits than its factorization.
10257432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6455 (or 6451 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 10257432 is about 3202.7225917959. The cubic root of 10257432 is about 217.2765627206.
The spelling of 10257432 in words is "ten million, two hundred fifty-seven thousand, four hundred thirty-two".
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