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230325015 = 3553289717
BaseRepresentation
bin11011011101001…
…11101100010111
3121001101201112010
431232213230113
5432430400030
634504355303
75464505334
oct1556475427
9531351463
10230325015
11109015658
1265175b33
13389441bb
142283798b
15153496b0
hexdba7b17

230325015 has 16 divisors (see below), whose sum is σ = 375474528. Its totient is φ = 120521856.

The previous prime is 230324999. The next prime is 230325019. The reversal of 230325015 is 510523032.

It is not a de Polignac number, because 230325015 - 24 = 230324999 is a prime.

It is a super-2 number, since 2×2303250152 = 106099225069500450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230324982 and 230325000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230325019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144064 + ... + 145653.

It is an arithmetic number, because the mean of its divisors is an integer number (23467158).

Almost surely, 2230325015 is an apocalyptic number.

230325015 is a deficient number, since it is larger than the sum of its proper divisors (145149513).

230325015 is a wasteful number, since it uses less digits than its factorization.

230325015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289778.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230325015 is about 15176.4625324876. The cubic root of 230325015 is about 612.9810320865.

Adding to 230325015 its reverse (510523032), we get a palindrome (740848047).

The spelling of 230325015 in words is "two hundred thirty million, three hundred twenty-five thousand, fifteen".

Divisors: 1 3 5 15 53 159 265 795 289717 869151 1448585 4345755 15355001 46065003 76775005 230325015