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3113949 = 31037983
BaseRepresentation
bin1011111000001111011101
312212012112110
423320033131
51244121244
6150424233
735316366
oct13701735
95765473
103113949
111837613
121062079
13850497
145b0b6d
154179b9
hex2f83dd

3113949 has 4 divisors (see below), whose sum is σ = 4151936. Its totient is φ = 2075964.

The previous prime is 3113939. The next prime is 3113963. The reversal of 3113949 is 9493113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3113949 - 25 = 3113917 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113939) 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, 518989 + ... + 518994.

It is an arithmetic number, because the mean of its divisors is an integer number (1037984).

Almost surely, 23113949 is an apocalyptic number.

It is an amenable number.

3113949 is a deficient number, since it is larger than the sum of its proper divisors (1037987).

3113949 is a wasteful number, since it uses less digits than its factorization.

3113949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037986.

The product of its digits is 2916, while the sum is 30.

The square root of 3113949 is about 1764.6384898896. The cubic root of 3113949 is about 146.0283456567.

The spelling of 3113949 in words is "three million, one hundred thirteen thousand, nine hundred forty-nine".

Divisors: 1 3 1037983 3113949