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313315478 = 27296311223
BaseRepresentation
bin10010101011001…
…101000010010110
3210211120002000222
4102223031002112
51120202043403
651031234342
710523065130
oct2253150226
9724502028
10313315478
11150949613
1288b189b2
134cbb0798
142d87c050
151c78e338
hex12acd096

313315478 has 32 divisors (see below), whose sum is σ = 556968960. Its totient is φ = 129336480.

The previous prime is 313315463. The next prime is 313315523. The reversal of 313315478 is 874513313.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255575 + ... + 256797.

It is an arithmetic number, because the mean of its divisors is an integer number (17405280).

Almost surely, 2313315478 is an apocalyptic number.

313315478 is a deficient number, since it is larger than the sum of its proper divisors (243653482).

313315478 is a wasteful number, since it uses less digits than its factorization.

313315478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its digits is 30240, while the sum is 35.

The square root of 313315478 is about 17700.7197028821. The cubic root of 313315478 is about 679.1941708677.

The spelling of 313315478 in words is "three hundred thirteen million, three hundred fifteen thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 29 58 203 406 631 1223 1262 2446 4417 8561 8834 17122 18299 35467 36598 70934 128093 248269 256186 496538 771713 1543426 5401991 10803982 22379677 44759354 156657739 313315478