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230908148 = 22440913093
BaseRepresentation
bin11011100001101…
…10000011110100
3121002111100102122
431300312003310
5433103030043
634525055112
75502454412
oct1560660364
9532440378
10230908148
11109383789
12653b7498
1338ab9753
142294a2b2
1515412368
hexdc360f4

230908148 has 12 divisors (see below), whose sum is σ = 404211780. Its totient is φ = 115419072.

The previous prime is 230908147. The next prime is 230908163. The reversal of 230908148 is 841809032.

It is a happy number.

230908148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111049444 + 119858704 = 10538^2 + 10948^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230908141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11090 + ... + 24182.

It is an arithmetic number, because the mean of its divisors is an integer number (33684315).

Almost surely, 2230908148 is an apocalyptic number.

It is an amenable number.

230908148 is a deficient number, since it is larger than the sum of its proper divisors (173303632).

230908148 is a wasteful number, since it uses less digits than its factorization.

230908148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506 (or 17504 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 230908148 is about 15195.6621441779. The cubic root of 230908148 is about 613.4979078157.

The spelling of 230908148 in words is "two hundred thirty million, nine hundred eight thousand, one hundred forty-eight".

Divisors: 1 2 4 4409 8818 13093 17636 26186 52372 57727037 115454074 230908148