Search a number
-
+
315055425 = 3524200739
BaseRepresentation
bin10010110001110…
…101110101000001
3210221211110210110
4102301311311001
51121123233200
651132421533
710543632636
oct2261656501
9727743713
10315055425
11151927893
12896178a9
135036c739
142dbb218d
151c9d4b50
hex12c75d41

315055425 has 12 divisors (see below), whose sum is σ = 520891760. Its totient is φ = 168029520.

The previous prime is 315055409. The next prime is 315055427. The reversal of 315055425 is 524550513.

It is a happy number.

It is not a de Polignac number, because 315055425 - 24 = 315055409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315055392 and 315055401.

It is not an unprimeable number, because it can be changed into a prime (315055427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2100295 + ... + 2100444.

Almost surely, 2315055425 is an apocalyptic number.

It is an amenable number.

315055425 is a deficient number, since it is larger than the sum of its proper divisors (205836335).

315055425 is a wasteful number, since it uses less digits than its factorization.

315055425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200752 (or 4200747 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 315055425 is about 17749.8007031065. The cubic root of 315055425 is about 680.4491157953.

The spelling of 315055425 in words is "three hundred fifteen million, fifty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 4200739 12602217 21003695 63011085 105018475 315055425