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557712201 = 31224115187
BaseRepresentation
bin100001001111100…
…000001101001001
31102212102201022110
4201033200031021
52120233242301
6131201412533
716551322044
oct4117401511
91385381273
10557712201
112668a5482
1213693a149
138b710927
14540d9c5b
1533e680d6
hex213e0349

557712201 has 8 divisors (see below), whose sum is σ = 743725984. Its totient is φ = 371753280.

The previous prime is 557712179. The next prime is 557712241. The reversal of 557712201 is 102217755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557712201 - 215 = 557679433 is a prime.

It is a super-2 number, since 2×5577122012 = 622085798288528802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557712241) 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, 29130 + ... + 44316.

It is an arithmetic number, because the mean of its divisors is an integer number (92965748).

Almost surely, 2557712201 is an apocalyptic number.

It is an amenable number.

557712201 is a deficient number, since it is larger than the sum of its proper divisors (186013783).

557712201 is a wasteful number, since it uses less digits than its factorization.

557712201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27431.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 557712201 is about 23615.9310847572. The cubic root of 557712201 is about 823.1330669338.

Adding to 557712201 its reverse (102217755), we get a palindrome (659929956).

The spelling of 557712201 in words is "five hundred fifty-seven million, seven hundred twelve thousand, two hundred one".

Divisors: 1 3 12241 15187 36723 45561 185904067 557712201