Search a number
-
+
230053825 = 5213767169
BaseRepresentation
bin11011011011001…
…01011111000001
3121000212221112001
431231211133001
5432343210300
634454504001
75462265601
oct1555453701
9530787461
10230053825
1110894a931
1265065001
133887a931
14227a6c01
15152e416a
hexdb657c1

230053825 has 12 divisors (see below), whose sum is σ = 287353260. Its totient is φ = 182696960.

The previous prime is 230053801. The next prime is 230053841. The reversal of 230053825 is 528350032.

It can be written as a sum of positive squares in 6 ways, for example, as 15460624 + 214593201 = 3932^2 + 14649^2 .

It is not a de Polignac number, because 230053825 - 211 = 230051777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230053793 and 230053802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30160 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (23946105).

Almost surely, 2230053825 is an apocalyptic number.

230053825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230053825 is a deficient number, since it is larger than the sum of its proper divisors (57299435).

230053825 is a wasteful number, since it uses less digits than its factorization.

230053825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67316 (or 67311 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 230053825 is about 15167.5253419930. The cubic root of 230053825 is about 612.7403582551.

The spelling of 230053825 in words is "two hundred thirty million, fifty-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 137 685 3425 67169 335845 1679225 9202153 46010765 230053825