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313043142 = 2352173857
BaseRepresentation
bin10010101010001…
…010100011000110
3210211001020110110
4102222022203012
51120114340032
651021333450
710520552136
oct2252124306
9724036413
10313043142
11150782a45
1288a07286
134cb16839
142d80aac6
151c7387cc
hex12a8a8c6

313043142 has 8 divisors (see below), whose sum is σ = 626086296. Its totient is φ = 104347712.

The previous prime is 313043141. The next prime is 313043147. The reversal of 313043142 is 241340313.

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

313043142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313043141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26086923 + ... + 26086934.

It is an arithmetic number, because the mean of its divisors is an integer number (78260787).

Almost surely, 2313043142 is an apocalyptic number.

313043142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

313043142 is a wasteful number, since it uses less digits than its factorization.

313043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52173862.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 313043142 is about 17693.0252359510. The cubic root of 313043142 is about 678.9973270529.

Adding to 313043142 its reverse (241340313), we get a palindrome (554383455).

The spelling of 313043142 in words is "three hundred thirteen million, forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 52173857 104347714 156521571 313043142