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312044142 = 2352007357
BaseRepresentation
bin10010100110010…
…110101001101110
3210202011111002110
4102212112221232
51114340403032
650544104450
710506221454
oct2246265156
9722144073
10312044142
11150160423
1288605126
134c856c07
142d62a9d4
151c5dc7cc
hex12996a6e

312044142 has 8 divisors (see below), whose sum is σ = 624088296. Its totient is φ = 104014712.

The previous prime is 312044141. The next prime is 312044143. The reversal of 312044142 is 241440213.

It is an interprime number because it is at equal distance from previous prime (312044141) and next prime (312044143).

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

312044142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312044141) 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, 26003673 + ... + 26003684.

It is an arithmetic number, because the mean of its divisors is an integer number (78011037).

Almost surely, 2312044142 is an apocalyptic number.

312044142 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.

312044142 is a wasteful number, since it uses less digits than its factorization.

312044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52007362.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 312044142 is about 17664.7712127839. The cubic root of 312044142 is about 678.2742731747.

Adding to 312044142 its reverse (241440213), we get a palindrome (553484355).

The spelling of 312044142 in words is "three hundred twelve million, forty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 52007357 104014714 156022071 312044142