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557352007 = 3173246289
BaseRepresentation
bin100001001110001…
…000010001000111
31102211202102012221
4201032020101013
52120140231012
6131145553211
716545261652
oct4116102107
91384672187
10557352007
112666798a3
121367a5807
138b6159b4
1454044899
1533de6507
hex21388447

557352007 has 8 divisors (see below), whose sum is σ = 583214720. Its totient is φ = 531982080.

The previous prime is 557351959. The next prime is 557352017. The reversal of 557352007 is 700253755.

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

It is a cyclic number.

It is not a de Polignac number, because 557352007 - 215 = 557319239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557352017) 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 7 ways as a sum of consecutive naturals, for example, 120882 + ... + 125407.

It is an arithmetic number, because the mean of its divisors is an integer number (72901840).

Almost surely, 2557352007 is an apocalyptic number.

557352007 is a deficient number, since it is larger than the sum of its proper divisors (25862713).

557352007 is a wasteful number, since it uses less digits than its factorization.

557352007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246393.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 557352007 is about 23608.3037721900. The cubic root of 557352007 is about 822.9558241179.

The spelling of 557352007 in words is "five hundred fifty-seven million, three hundred fifty-two thousand, seven".

Divisors: 1 31 73 2263 246289 7634959 17979097 557352007