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315730098 = 23231755333
BaseRepresentation
bin10010110100011…
…010100010110010
3211000002202021100
4102310122202302
51121311330343
651155105230
710552442625
oct2264324262
9730082240
10315730098
11152248772
12898a2216
1350547858
142dd09dbc
151cab99d3
hex12d1a8b2

315730098 has 24 divisors (see below), whose sum is σ = 686252268. Its totient is φ = 104909472.

The previous prime is 315730073. The next prime is 315730099. The reversal of 315730098 is 890037513.

It can be written as a sum of positive squares in 2 ways, for example, as 255776049 + 59954049 = 15993^2 + 7743^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315730099) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21961 + ... + 33372.

Almost surely, 2315730098 is an apocalyptic number.

315730098 is an abundant number, since it is smaller than the sum of its proper divisors (370522170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315730098 is a wasteful number, since it uses less digits than its factorization.

315730098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55658 (or 55655 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 315730098 is about 17768.7956260406. The cubic root of 315730098 is about 680.9344836607.

The spelling of 315730098 in words is "three hundred fifteen million, seven hundred thirty thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 317 634 951 1902 2853 5706 55333 110666 165999 331998 497997 995994 17540561 35081122 52621683 105243366 157865049 315730098