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3113943 = 37791877
BaseRepresentation
bin1011111000001111010111
312212012112020
423320033113
51244121233
6150424223
735316360
oct13701727
95765466
103113943
111837608
121062073
13850491
145b0b67
154179b3
hex2f83d7

3113943 has 16 divisors (see below), whose sum is σ = 4807680. Its totient is φ = 1755936.

The previous prime is 3113939. The next prime is 3113963. The reversal of 3113943 is 3493113.

It is not a de Polignac number, because 3113943 - 22 = 3113939 is a prime.

3113943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (300480).

Almost surely, 23113943 is an apocalyptic number.

3113943 is a deficient number, since it is larger than the sum of its proper divisors (1693737).

3113943 is a wasteful number, since it uses less digits than its factorization.

3113943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its digits is 972, while the sum is 24.

The square root of 3113943 is about 1764.6367898239. The cubic root of 3113943 is about 146.0282518668.

The spelling of 3113943 in words is "three million, one hundred thirteen thousand, nine hundred forty-three".

Divisors: 1 3 7 21 79 237 553 1659 1877 5631 13139 39417 148283 444849 1037981 3113943