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312466642 = 2677230773
BaseRepresentation
bin10010100111111…
…101110011010010
3210202221221122121
4102213331303102
51114442413032
651001124454
710512631315
oct2247756322
9722857577
10312466642
111504198a4
128878972a
134c974307
142d6da97c
151c672a97
hex129fdcd2

312466642 has 8 divisors (see below), whose sum is σ = 469394316. Its totient is φ = 156001872.

The previous prime is 312466601. The next prime is 312466657. The reversal of 312466642 is 246664213.

It can be written as a sum of positive squares in 2 ways, for example, as 303770041 + 8696601 = 17429^2 + 2949^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 312466598 and 312466607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114033 + ... + 116740.

Almost surely, 2312466642 is an apocalyptic number.

312466642 is a deficient number, since it is larger than the sum of its proper divisors (156927674).

312466642 is a wasteful number, since it uses less digits than its factorization.

312466642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231452.

The product of its digits is 41472, while the sum is 34.

The square root of 312466642 is about 17676.7259977633. The cubic root of 312466642 is about 678.5802572781.

The spelling of 312466642 in words is "three hundred twelve million, four hundred sixty-six thousand, six hundred forty-two".

Divisors: 1 2 677 1354 230773 461546 156233321 312466642