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2857399458 = 231183140253
BaseRepresentation
bin1010101001010000…
…0111010010100010
321101010200221011120
42222110013102202
521322443240313
61151311553110
7130544331444
oct25224072242
97333627146
102857399458
111236a22561
12678b2b796
13366ca6614
141d16c6494
1511acc6d23
hexaa5074a2

2857399458 has 16 divisors (see below), whose sum is σ = 5715423936. Its totient is φ = 952362320.

The previous prime is 2857399453. The next prime is 2857399469. The reversal of 2857399458 is 8549937582.

It is not an unprimeable number, because it can be changed into a prime (2857399453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50860 + ... + 91112.

It is an arithmetic number, because the mean of its divisors is an integer number (357213996).

Almost surely, 22857399458 is an apocalyptic number.

2857399458 is an abundant number, since it is smaller than the sum of its proper divisors (2858024478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2857399458 is a wasteful number, since it uses less digits than its factorization.

2857399458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52089.

The product of its digits is 21772800, while the sum is 60.

The square root of 2857399458 is about 53454.6486098263. The cubic root of 2857399458 is about 1419.0258904740.

The spelling of 2857399458 in words is "two billion, eight hundred fifty-seven million, three hundred ninety-nine thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 11831 23662 35493 40253 70986 80506 120759 241518 476233243 952466486 1428699729 2857399458