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313444142 = 21114247461
BaseRepresentation
bin10010101011101…
…100011100101110
3210211210121112022
4102223230130232
51120220203032
651034110142
710524142214
oct2253543456
9724717468
10313444142
11150a27250
1288b7b352
134cc2720b
142d8b2cb4
151c7b7512
hex12aec72e

313444142 has 8 divisors (see below), whose sum is σ = 512908632. Its totient is φ = 142474600.

The previous prime is 313444133. The next prime is 313444163. The reversal of 313444142 is 241444313.

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

It is a congruent number.

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, 7123709 + ... + 7123752.

It is an arithmetic number, because the mean of its divisors is an integer number (64113579).

Almost surely, 2313444142 is an apocalyptic number.

313444142 is a deficient number, since it is larger than the sum of its proper divisors (199464490).

313444142 is a wasteful number, since it uses less digits than its factorization.

313444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247474.

The product of its digits is 4608, while the sum is 26.

The square root of 313444142 is about 17704.3537583274. The cubic root of 313444142 is about 679.2871292282.

Adding to 313444142 its reverse (241444313), we get a palindrome (554888455).

The spelling of 313444142 in words is "three hundred thirteen million, four hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 11 22 14247461 28494922 156722071 313444142