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2857257034 = 243139479499
BaseRepresentation
bin1010101001001110…
…0100100001001010
321101010102200210121
42222103210201022
521322424211114
61151304533454
7130543166302
oct25223444112
97333380717
102857257034
111236935555
12678a8128a
13366c56848
141d168a602
1511ac99a24
hexaa4e484a

2857257034 has 32 divisors (see below), whose sum is σ = 4435200000. Its totient is φ = 1379703024.

The previous prime is 2857256999. The next prime is 2857257043. The reversal of 2857257034 is 4307527582.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5725717 + ... + 5726215.

It is an arithmetic number, because the mean of its divisors is an integer number (138600000).

Almost surely, 22857257034 is an apocalyptic number.

2857257034 is a deficient number, since it is larger than the sum of its proper divisors (1577942966).

2857257034 is a wasteful number, since it uses less digits than its factorization.

2857257034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 2857257034 is about 53453.3163985173. The cubic root of 2857257034 is about 1419.0023134763.

The spelling of 2857257034 in words is "two billion, eight hundred fifty-seven million, two hundred fifty-seven thousand, thirty-four".

Divisors: 1 2 43 86 139 278 479 499 958 998 5977 11954 20597 21457 41194 42914 66581 69361 133162 138722 239021 478042 2862983 2982523 5725966 5965046 10277903 20555806 33223919 66447838 1428628517 2857257034