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557361272 = 231322723609
BaseRepresentation
bin100001001110001…
…010100001111000
31102211202212221002
4201032022201320
52120141030042
6131150104132
716545330656
oct4116124170
91384685832
10557361272
11266685856
121367ab048
138b619c90
1454047dd6
1533de9132
hex2138a878

557361272 has 32 divisors (see below), whose sum is σ = 1130446800. Its totient is φ = 256099584.

The previous prime is 557361271. The next prime is 557361283. The reversal of 557361272 is 272163755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557361271) 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, 11804 + ... + 35412.

Almost surely, 2557361272 is an apocalyptic number.

557361272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is a pronic number, being equal to 23608×23609.

It is an amenable number.

557361272 is an abundant number, since it is smaller than the sum of its proper divisors (573085528).

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

557361272 is a wasteful number, since it uses less digits than its factorization.

557361272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23855 (or 23851 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 557361272 is about 23608.4999947053. The cubic root of 557361272 is about 822.9603841585.

The spelling of 557361272 in words is "five hundred fifty-seven million, three hundred sixty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 227 454 908 1816 2951 5902 11804 23608 23609 47218 94436 188872 306917 613834 1227668 2455336 5359243 10718486 21436972 42873944 69670159 139340318 278680636 557361272