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557032 = 237429
BaseRepresentation
bin10000111111111101000
31001022002211
42013333220
5120311112
615534504
74510000
oct2077750
91038084
10557032
11350563
1222a434
13166708
14107000
15b00a7
hex87fe8

557032 has 40 divisors (see below), whose sum is σ = 1260450. Its totient is φ = 230496.

The previous prime is 557027. The next prime is 557033. The reversal of 557032 is 230755.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 86436 = 686^2 + 294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 556994 and 557012.

It is not an unprimeable number, because it can be changed into a prime (557033) by changing a digit.

557032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19194 + ... + 19222.

2557032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630225).

557032 is an abundant number, since it is smaller than the sum of its proper divisors (703418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557032 is an equidigital number, since it uses as much as digits as its factorization.

557032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 557032 is about 746.3457643747. The cubic root of 557032 is about 82.2798292290.

Adding to 557032 its reverse (230755), we get a palindrome (787787).

It can be divided in two parts, 55 and 7032, that multiplied together give a triangular number (386760 = T879).

The spelling of 557032 in words is "five hundred fifty-seven thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 343 392 406 686 812 1372 1421 1624 2401 2744 2842 4802 5684 9604 9947 11368 19208 19894 39788 69629 79576 139258 278516 557032