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317425894 = 2198353313
BaseRepresentation
bin10010111010111…
…000100011100110
3211010021220110121
4102322320203212
51122230112034
651255312154
710603034632
oct2272704346
9733256417
10317425894
111531a6855
128a37b65a
13509bc696
143022bdc2
151cd021b4
hex12eb88e6

317425894 has 8 divisors (see below), whose sum is σ = 501198840. Its totient is φ = 150359616.

The previous prime is 317425873. The next prime is 317425907. The reversal of 317425894 is 498524713.

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

It is a self number, because there is not a number n which added to its sum of digits gives 317425894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176619 + ... + 4176694.

It is an arithmetic number, because the mean of its divisors is an integer number (62649855).

Almost surely, 2317425894 is an apocalyptic number.

317425894 is a deficient number, since it is larger than the sum of its proper divisors (183772946).

317425894 is a wasteful number, since it uses less digits than its factorization.

317425894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353334.

The product of its digits is 241920, while the sum is 43.

The square root of 317425894 is about 17816.4500953473. The cubic root of 317425894 is about 682.1514141673.

It can be divided in two parts, 31742 and 5894, that added together give a square (37636 = 1942).

The spelling of 317425894 in words is "three hundred seventeen million, four hundred twenty-five thousand, eight hundred ninety-four".

Divisors: 1 2 19 38 8353313 16706626 158712947 317425894