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230152245 = 3522876709
BaseRepresentation
bin11011011011111…
…01100000110101
3121001001221112020
431231331200311
5432404332440
634500543353
75463155541
oct1555754065
9531057466
10230152245
11108a07874
12650b1b59
13388b367b
14227d0a21
15153133d0
hexdb7d835

230152245 has 16 divisors (see below), whose sum is σ = 368459520. Its totient is φ = 122675904.

The previous prime is 230152217. The next prime is 230152249. The reversal of 230152245 is 542251032.

It is not a de Polignac number, because 230152245 - 28 = 230151989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230152249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30951 + ... + 37659.

It is an arithmetic number, because the mean of its divisors is an integer number (23028720).

Almost surely, 2230152245 is an apocalyptic number.

It is an amenable number.

230152245 is a deficient number, since it is larger than the sum of its proper divisors (138307275).

230152245 is a wasteful number, since it uses less digits than its factorization.

230152245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 230152245 is about 15170.7694267628. The cubic root of 230152245 is about 612.8277252125.

The spelling of 230152245 in words is "two hundred thirty million, one hundred fifty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 2287 6709 6861 11435 20127 33545 34305 100635 15343483 46030449 76717415 230152245