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312342245 = 5211383773
BaseRepresentation
bin10010100111011…
…111011011100101
3210202201122000022
4102213133123211
51114424422440
650554324525
710511602535
oct2247373345
9722648008
10312342245
11150344396
1288729745
134c92c7c7
142d6a74c5
151c64acb5
hex129df6e5

312342245 has 16 divisors (see below), whose sum is σ = 378058752. Its totient is φ = 247719360.

The previous prime is 312342229. The next prime is 312342259. The reversal of 312342245 is 542243213.

It is not a de Polignac number, because 312342245 - 24 = 312342229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403679 + ... + 404451.

It is an arithmetic number, because the mean of its divisors is an integer number (23628672).

Almost surely, 2312342245 is an apocalyptic number.

It is an amenable number.

312342245 is a deficient number, since it is larger than the sum of its proper divisors (65716507).

312342245 is a wasteful number, since it uses less digits than its factorization.

312342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its digits is 5760, while the sum is 26.

The square root of 312342245 is about 17673.2069811905. The cubic root of 312342245 is about 678.4901948080.

Adding to 312342245 its reverse (542243213), we get a palindrome (854585458).

The spelling of 312342245 in words is "three hundred twelve million, three hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 211 383 773 1055 1915 3865 80813 163103 296059 404065 815515 1480295 62468449 312342245