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557574121 = 13131327407
BaseRepresentation
bin100001001110111…
…110011111101001
31102212011200220101
4201032332133221
52120214332441
6131154425401
716550205346
oct4116763751
91385150811
10557574121
11266810765
12136892261
138b692b20
14540a17cd
1533e3c231
hex213be7e9

557574121 has 8 divisors (see below), whose sum is σ = 605049984. Its totient is φ = 510753360.

The previous prime is 557574103. The next prime is 557574169. The reversal of 557574121 is 121475755.

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

It is not a de Polignac number, because 557574121 - 217 = 557443049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557574181) 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, 162001 + ... + 165406.

It is an arithmetic number, because the mean of its divisors is an integer number (75631248).

Almost surely, 2557574121 is an apocalyptic number.

It is an amenable number.

557574121 is a deficient number, since it is larger than the sum of its proper divisors (47475863).

557574121 is a wasteful number, since it uses less digits than its factorization.

557574121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327551.

The product of its digits is 49000, while the sum is 37.

The square root of 557574121 is about 23613.0074535202. The cubic root of 557574121 is about 823.0651301049.

The spelling of 557574121 in words is "five hundred fifty-seven million, five hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 13 131 1703 327407 4256291 42890317 557574121