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313628330 = 25291081477
BaseRepresentation
bin10010101100011…
…001011010101010
3210212010222012002
4102230121122222
51120242101310
651042051002
710525540211
oct2254313252
9725128162
10313628330
11151042674
1289049a62
134cc8ccc2
142d920078
151c801da5
hex12b196aa

313628330 has 16 divisors (see below), whose sum is σ = 583998120. Its totient is φ = 121125312.

The previous prime is 313628323. The next prime is 313628347. The reversal of 313628330 is 33826313.

It can be written as a sum of positive squares in 4 ways, for example, as 305096089 + 8532241 = 17467^2 + 2921^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 313628293 and 313628302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540449 + ... + 541028.

Almost surely, 2313628330 is an apocalyptic number.

313628330 is a deficient number, since it is larger than the sum of its proper divisors (270369790).

313628330 is a wasteful number, since it uses less digits than its factorization.

313628330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081513.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 313628330 is about 17709.5547657190. The cubic root of 313628330 is about 679.4201588197.

It can be divided in two parts, 3136283 and 30, that added together give a palindrome (3136313).

The spelling of 313628330 in words is "three hundred thirteen million, six hundred twenty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 1081477 2162954 5407385 10814770 31362833 62725666 156814165 313628330