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557894001 = 37191139091
BaseRepresentation
bin100001010000001…
…100100101110001
31102212202221200210
4201100030211301
52120310102001
6131205334333
716553010060
oct4120144561
91385687623
10557894001
11266a0a025
12136a073a9
138b7755c2
14541461d7
1533ea1dd6
hex2140c971

557894001 has 16 divisors (see below), whose sum is σ = 854581248. Its totient is φ = 317125200.

The previous prime is 557893993. The next prime is 557894027. The reversal of 557894001 is 100498755.

It is not a de Polignac number, because 557894001 - 23 = 557893993 is a prime.

It is a super-2 number, since 2×5578940012 = 622491432703576002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557894081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65535 + ... + 73556.

It is an arithmetic number, because the mean of its divisors is an integer number (53411328).

Almost surely, 2557894001 is an apocalyptic number.

It is an amenable number.

557894001 is a deficient number, since it is larger than the sum of its proper divisors (296687247).

557894001 is a wasteful number, since it uses less digits than its factorization.

557894001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139292.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 557894001 is about 23619.7798677295. The cubic root of 557894001 is about 823.2224973688. Note that the first 3 decimals are identical.

The spelling of 557894001 in words is "five hundred fifty-seven million, eight hundred ninety-four thousand, one".

Divisors: 1 3 7 21 191 573 1337 4011 139091 417273 973637 2920911 26566381 79699143 185964667 557894001