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313244142 = 23173071021
BaseRepresentation
bin10010101010111…
…011100111101110
3210211102110011220
4102222323213232
51120142303032
651025524210
710522350141
oct2252734756
9724373156
10313244142
111508aaa62
1288aa3666
134cb87183
142d860058
151c77812c
hex12abb9ee

313244142 has 16 divisors (see below), whose sum is σ = 663340752. Its totient is φ = 98272640.

The previous prime is 313244123. The next prime is 313244149. The reversal of 313244142 is 241442313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313244149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535409 + ... + 1535612.

It is an arithmetic number, because the mean of its divisors is an integer number (41458797).

Almost surely, 2313244142 is an apocalyptic number.

313244142 is an abundant number, since it is smaller than the sum of its proper divisors (350096610).

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

313244142 is a wasteful number, since it uses less digits than its factorization.

313244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071043.

The product of its digits is 2304, while the sum is 24.

The square root of 313244142 is about 17698.7045288631. The cubic root of 313244142 is about 679.1426204057.

Adding to 313244142 its reverse (241442313), we get a palindrome (554686455).

It can be divided in two parts, 3132 and 44142, that added together give a palindrome (47274).

The spelling of 313244142 in words is "three hundred thirteen million, two hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 3071021 6142042 9213063 18426126 52207357 104414714 156622071 313244142