Search a number
-
+
312422014 = 2156211007
BaseRepresentation
bin10010100111110…
…010111001111110
3210202212200102201
4102213302321332
51114440001024
651000142114
710512354232
oct2247627176
9722780381
10312422014
11150399313
128876793a
134c959bc8
142d6c85c2
151c664744
hex129f2e7e

312422014 has 4 divisors (see below), whose sum is σ = 468633024. Its totient is φ = 156211006.

The previous prime is 312421943. The next prime is 312422021. The reversal of 312422014 is 410224213.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 312421982 and 312422000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78105502 + ... + 78105505.

It is an arithmetic number, because the mean of its divisors is an integer number (117158256).

Almost surely, 2312422014 is an apocalyptic number.

312422014 is a deficient number, since it is larger than the sum of its proper divisors (156211010).

312422014 is a wasteful number, since it uses less digits than its factorization.

312422014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156211009.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 312422014 is about 17675.4636148532. The cubic root of 312422014 is about 678.5479496997.

Adding to 312422014 its reverse (410224213), we get a palindrome (722646227).

The spelling of 312422014 in words is "three hundred twelve million, four hundred twenty-two thousand, fourteen".

Divisors: 1 2 156211007 312422014