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2857292 = 221742019
BaseRepresentation
bin1010111001100101001100
312101011110122
422321211030
51212413132
6141124112
733200204
oct12714514
95334418
102857292
1116817a9
12b59638
13790709
14545404
153b6912
hex2b994c

2857292 has 12 divisors (see below), whose sum is σ = 5294520. Its totient is φ = 1344576.

The previous prime is 2857259. The next prime is 2857297. The reversal of 2857292 is 2927582.

2857292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2857297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20942 + ... + 21077.

It is an arithmetic number, because the mean of its divisors is an integer number (441210).

22857292 is an apocalyptic number.

It is an amenable number.

2857292 is a deficient number, since it is larger than the sum of its proper divisors (2437228).

2857292 is a wasteful number, since it uses less digits than its factorization.

2857292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42040 (or 42038 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 2857292 is about 1690.3526259334. The cubic root of 2857292 is about 141.9008101852.

The spelling of 2857292 in words is "two million, eight hundred fifty-seven thousand, two hundred ninety-two".

Divisors: 1 2 4 17 34 68 42019 84038 168076 714323 1428646 2857292