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315194693 = 11166717189
BaseRepresentation
bin10010110010010…
…111110101000101
3210222002112211112
4102302113311011
51121142212233
651135414405
710545052652
oct2262276505
9728075745
10315194693
11151a12490
1289684405
13503bac48
142dc0ac29
151ca11048
hex12c97d45

315194693 has 8 divisors (see below), whose sum is σ = 344075040. Its totient is φ = 286352080.

The previous prime is 315194683. The next prime is 315194713. The reversal of 315194693 is 396491513.

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

It is a cyclic number.

It is not a de Polignac number, because 315194693 - 214 = 315178309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315194693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315194653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9743 + ... + 26931.

It is an arithmetic number, because the mean of its divisors is an integer number (43009380).

Almost surely, 2315194693 is an apocalyptic number.

It is an amenable number.

315194693 is a deficient number, since it is larger than the sum of its proper divisors (28880347).

315194693 is a wasteful number, since it uses less digits than its factorization.

315194693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867.

The product of its digits is 87480, while the sum is 41.

The square root of 315194693 is about 17753.7233559611. The cubic root of 315194693 is about 680.5493635824.

The spelling of 315194693 in words is "three hundred fifteen million, one hundred ninety-four thousand, six hundred ninety-three".

Divisors: 1 11 1667 17189 18337 189079 28654063 315194693