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557345007 = 3261927223
BaseRepresentation
bin100001001110000…
…110100011101111
31102211202001121200
4201032012203233
52120140020012
6131145500543
716545232362
oct4116064357
91384661550
10557345007
1126667460a
121367a1753
138b61275b
14540420d9
1533de43dc
hex213868ef

557345007 has 6 divisors (see below), whose sum is σ = 805053912. Its totient is φ = 371563332.

The previous prime is 557345003. The next prime is 557345027. The reversal of 557345007 is 700543755.

557345007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557345007 - 22 = 557345003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557345003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30963603 + ... + 30963620.

It is an arithmetic number, because the mean of its divisors is an integer number (134175652).

Almost surely, 2557345007 is an apocalyptic number.

557345007 is a deficient number, since it is larger than the sum of its proper divisors (247708905).

557345007 is a wasteful number, since it uses less digits than its factorization.

557345007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61927229 (or 61927226 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 557345007 is about 23608.1555188032. The cubic root of 557345007 is about 822.9523788297.

The spelling of 557345007 in words is "five hundred fifty-seven million, three hundred forty-five thousand, seven".

Divisors: 1 3 9 61927223 185781669 557345007