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557148 = 223291601
BaseRepresentation
bin10001000000001011100
31001022021010
42020001130
5120312043
615535220
74510224
oct2100134
91038233
10557148
11350659
1222a510
13166797
14107084
15b0133
hex8805c

557148 has 24 divisors (see below), whose sum is σ = 1345680. Its totient is φ = 179200.

The previous prime is 557093. The next prime is 557153. The reversal of 557148 is 841755.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 557148.

It is an unprimeable number.

557148 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 7 ways as a sum of consecutive naturals, for example, 453 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (56070).

2557148 is an apocalyptic number.

557148 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

557148 is an abundant number, since it is smaller than the sum of its proper divisors (788532).

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

557148 is a wasteful number, since it uses less digits than its factorization.

557148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1635 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 557148 is about 746.4234722997. The cubic root of 557148 is about 82.2855403298.

The spelling of 557148 in words is "five hundred fifty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1601 3202 4803 6404 9606 19212 46429 92858 139287 185716 278574 557148