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557732142 = 23511104327
BaseRepresentation
bin100001001111100…
…101000100101110
31102212110201200000
4201033211010232
52120234412032
6131202045130
716551434142
oct4117450456
91385421600
10557732142
11266909460
121369497a6
138b719a26
1454103222
1533e6de7c
hex213e512e

557732142 has 48 divisors (see below), whose sum is σ = 1367114112. Its totient is φ = 169008120.

The previous prime is 557732113. The next prime is 557732167. The reversal of 557732142 is 241237755.

It is a super-2 number, since 2×5577321422 = 622130284439816328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 557732097 and 557732106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46818 + ... + 57509.

It is an arithmetic number, because the mean of its divisors is an integer number (28481544).

Almost surely, 2557732142 is an apocalyptic number.

557732142 is an abundant number, since it is smaller than the sum of its proper divisors (809381970).

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

557732142 is a wasteful number, since it uses less digits than its factorization.

557732142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104355 (or 104343 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 557732142 is about 23616.3532747967. The cubic root of 557732142 is about 823.1428771912.

Adding to 557732142 its reverse (241237755), we get a palindrome (798969897).

The spelling of 557732142 in words is "five hundred fifty-seven million, seven hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 243 297 486 594 891 1782 2673 5346 104327 208654 312981 625962 938943 1147597 1877886 2295194 2816829 3442791 5633658 6885582 8450487 10328373 16900974 20656746 25351461 30985119 50702922 61970238 92955357 185910714 278866071 557732142