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2839031 = 132107157
BaseRepresentation
bin1010110101000111110111
312100020102022
422311013313
51211322111
6140503355
733063026
oct12650767
95306368
102839031
11166a008
12b4ab5b
13785300
1453c8bd
153b12db
hex2b51f7

2839031 has 12 divisors (see below), whose sum is σ = 3122712. Its totient is φ = 2579616.

The previous prime is 2839019. The next prime is 2839049. The reversal of 2839031 is 1309382.

It is not a de Polignac number, because 2839031 - 210 = 2838007 is a prime.

It is a super-2 number, since 2×28390312 = 16120194037922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18005 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (260226).

22839031 is an apocalyptic number.

2839031 is a deficient number, since it is larger than the sum of its proper divisors (283681).

2839031 is a wasteful number, since it uses less digits than its factorization.

2839031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2839031 is about 1684.9424322510. The cubic root of 2839031 is about 141.5978670931.

The spelling of 2839031 in words is "two million, eight hundred thirty-nine thousand, thirty-one".

Divisors: 1 13 107 157 169 1391 2041 16799 18083 26533 218387 2839031