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557065001 = 678314403
BaseRepresentation
bin100001001101000…
…010001100101001
31102211012211112002
4201031002030221
52120102040001
6131135500345
716542655133
oct4115021451
91384184462
10557065001
112664a31a9
121366876b5
138b54517c
1453dac053
1533d8b46b
hex21342329

557065001 has 4 divisors (see below), whose sum is σ = 565379472. Its totient is φ = 548750532.

The previous prime is 557064983. The next prime is 557065013. The reversal of 557065001 is 100560755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100560755 = 520112151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557065001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557065801) 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 3 ways as a sum of consecutive naturals, for example, 4157135 + ... + 4157268.

It is an arithmetic number, because the mean of its divisors is an integer number (141344868).

Almost surely, 2557065001 is an apocalyptic number.

It is an amenable number.

557065001 is a deficient number, since it is larger than the sum of its proper divisors (8314471).

557065001 is an equidigital number, since it uses as much as digits as its factorization.

557065001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8314470.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 557065001 is about 23602.2244926193. The cubic root of 557065001 is about 822.8145406859.

The spelling of 557065001 in words is "five hundred fifty-seven million, sixty-five thousand, one".

Divisors: 1 67 8314403 557065001