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3113988 = 223259499
BaseRepresentation
bin1011111000010000000100
312212012120220
423320100010
51244121423
6150424340
735316453
oct13702004
95765526
103113988
111837649
1210620b0
138504c7
145b0b9a
154179e3
hex2f8404

3113988 has 12 divisors (see below), whose sum is σ = 7266000. Its totient is φ = 1037992.

The previous prime is 3113987. The next prime is 3114019. The reversal of 3113988 is 8893113.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3113983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129738 + ... + 129761.

It is an arithmetic number, because the mean of its divisors is an integer number (605500).

Almost surely, 23113988 is an apocalyptic number.

It is an amenable number.

3113988 is an abundant number, since it is smaller than the sum of its proper divisors (4152012).

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

3113988 is a wasteful number, since it uses less digits than its factorization.

3113988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259506 (or 259504 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 3113988 is about 1764.6495402770. The cubic root of 3113988 is about 146.0289552879.

The spelling of 3113988 in words is "three million, one hundred thirteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 259499 518998 778497 1037996 1556994 3113988