Search a number
-
+
315704238 = 2352617373
BaseRepresentation
bin10010110100010…
…100001110101110
3211000001102210120
4102310110032232
51121310013423
651154345410
710552304343
oct2264241656
9730042716
10315704238
111522302a3
128988b266
1350538b55
142dd007ca
151cab1ee3
hex12d143ae

315704238 has 8 divisors (see below), whose sum is σ = 631408488. Its totient is φ = 105234744.

The previous prime is 315704203. The next prime is 315704261. The reversal of 315704238 is 832407513.

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

315704238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 315704199 and 315704208.

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, 26308681 + ... + 26308692.

It is an arithmetic number, because the mean of its divisors is an integer number (78926061).

Almost surely, 2315704238 is an apocalyptic number.

315704238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315704238 is a wasteful number, since it uses less digits than its factorization.

315704238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52617378.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 315704238 is about 17768.0679309823. The cubic root of 315704238 is about 680.9158924160.

The spelling of 315704238 in words is "three hundred fifteen million, seven hundred four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 52617373 105234746 157852119 315704238