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389795042 = 27132141731
BaseRepresentation
bin10111001110111…
…100110011100010
31000011110122021102
4113032330303202
51244241420132
6102402354402
712442126460
oct2716746342
91004418242
10389795042
1119003586a
12aa65ba02
13629aa670
1439aa9830
1524349c62
hex173bcce2

389795042 has 16 divisors (see below), whose sum is σ = 719621952. Its totient is φ = 154204560.

The previous prime is 389795011. The next prime is 389795069. The reversal of 389795042 is 240597983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070684 + ... + 1071047.

It is an arithmetic number, because the mean of its divisors is an integer number (44976372).

Almost surely, 2389795042 is an apocalyptic number.

389795042 is a deficient number, since it is larger than the sum of its proper divisors (329826910).

389795042 is a wasteful number, since it uses less digits than its factorization.

389795042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141753.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 389795042 is about 19743.2277502945. The cubic root of 389795042 is about 730.4863475796.

The spelling of 389795042 in words is "three hundred eighty-nine million, seven hundred ninety-five thousand, forty-two".

Divisors: 1 2 7 13 14 26 91 182 2141731 4283462 14992117 27842503 29984234 55685006 194897521 389795042