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557868422 = 2278934211
BaseRepresentation
bin100001010000000…
…110010110000110
31102212201122121102
4201100012112012
52120303242142
6131205020102
716552542356
oct4120062606
91385648542
10557868422
112669a1891
121369b4632
138b766a77
145413ab66
1533e99532
hex21406586

557868422 has 4 divisors (see below), whose sum is σ = 836802636. Its totient is φ = 278934210.

The previous prime is 557868419. The next prime is 557868461. The reversal of 557868422 is 224868755.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5578684222 = 622434352529540168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139467104 + ... + 139467107.

It is an arithmetic number, because the mean of its divisors is an integer number (209200659).

Almost surely, 2557868422 is an apocalyptic number.

557868422 is a deficient number, since it is larger than the sum of its proper divisors (278934214).

557868422 is a wasteful number, since it uses less digits than its factorization.

557868422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278934213.

The product of its digits is 1075200, while the sum is 47.

The square root of 557868422 is about 23619.2383873824. The cubic root of 557868422 is about 823.2099158091.

The spelling of 557868422 in words is "five hundred fifty-seven million, eight hundred sixty-eight thousand, four hundred twenty-two".

Divisors: 1 2 278934211 557868422