Search a number
-
+
312044042 = 2643242647
BaseRepresentation
bin10010100110010…
…110101000001010
3210202011110221202
4102212112220022
51114340402132
650544104202
710506221252
oct2246265012
9722143852
10312044042
11150160342
1288605062
134c856b5b
142d62a962
151c5dc762
hex12996a0a

312044042 has 8 divisors (see below), whose sum is σ = 468795936. Its totient is φ = 155778732.

The previous prime is 312044039. The next prime is 312044081. The reversal of 312044042 is 240440213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120038 + ... + 122609.

It is an arithmetic number, because the mean of its divisors is an integer number (58599492).

Almost surely, 2312044042 is an apocalyptic number.

312044042 is a deficient number, since it is larger than the sum of its proper divisors (156751894).

312044042 is a wasteful number, since it uses less digits than its factorization.

312044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243292.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 312044042 is about 17664.7683822913. The cubic root of 312044042 is about 678.2742007198.

Adding to 312044042 its reverse (240440213), we get a palindrome (552484255).

The spelling of 312044042 in words is "three hundred twelve million, forty-four thousand, forty-two".

Divisors: 1 2 643 1286 242647 485294 156022021 312044042