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2831996 = 221741647
BaseRepresentation
bin1010110011011001111100
312022212202202
422303121330
51211110441
6140411032
733033356
oct12633174
95285682
102831996
1116647a2
12b46a78
1378204b
1453a0d6
153ae19b
hex2b367c

2831996 has 12 divisors (see below), whose sum is σ = 5247648. Its totient is φ = 1332672.

The previous prime is 2831971. The next prime is 2831999. The reversal of 2831996 is 6991382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831999) 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 3 ways as a sum of consecutive naturals, for example, 20756 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (437304).

22831996 is an apocalyptic number.

It is an amenable number.

2831996 is a deficient number, since it is larger than the sum of its proper divisors (2415652).

2831996 is a wasteful number, since it uses less digits than its factorization.

2831996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41668 (or 41666 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 2831996 is about 1682.8535289799. The cubic root of 2831996 is about 141.4808124915.

The spelling of 2831996 in words is "two million, eight hundred thirty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 17 34 68 41647 83294 166588 707999 1415998 2831996