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315325030 = 25101312203
BaseRepresentation
bin10010110010110…
…111101001100110
3210222100011121211
4102302313221212
51121210400110
651142302034
710546134646
oct2262675146
9728304554
10315325030
11151aa13a9
128972791a
1350435377
142dc42526
151ca3998a
hex12cb7a66

315325030 has 16 divisors (see below), whose sum is σ = 573206544. Its totient is φ = 124880800.

The previous prime is 315325013. The next prime is 315325039. The reversal of 315325030 is 30523513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315324992 and 315325010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315325039) 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, 155092 + ... + 157111.

It is an arithmetic number, because the mean of its divisors is an integer number (35825409).

Almost surely, 2315325030 is an apocalyptic number.

315325030 is a deficient number, since it is larger than the sum of its proper divisors (257881514).

315325030 is a wasteful number, since it uses less digits than its factorization.

315325030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312311.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 315325030 is about 17757.3936713697. The cubic root of 315325030 is about 680.6431559176.

Adding to 315325030 its reverse (30523513), we get a palindrome (345848543).

The spelling of 315325030 in words is "three hundred fifteen million, three hundred twenty-five thousand, thirty".

Divisors: 1 2 5 10 101 202 505 1010 312203 624406 1561015 3122030 31532503 63065006 157662515 315325030