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230152651 = 2317955903
BaseRepresentation
bin11011011011111…
…01100111001011
3121001001222002021
431231331213023
5432404341101
634500545311
75463156661
oct1555754713
9531058067
10230152651
11108a08103
12650b2237
13388b3901
14227d0c31
15153135a1
hexdb7d9cb

230152651 has 8 divisors (see below), whose sum is σ = 241505280. Its totient is φ = 218912232.

The previous prime is 230152633. The next prime is 230152661. The reversal of 230152651 is 156251032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230152651 - 223 = 221764043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230152661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23835 + ... + 32068.

It is an arithmetic number, because the mean of its divisors is an integer number (30188160).

Almost surely, 2230152651 is an apocalyptic number.

230152651 is a deficient number, since it is larger than the sum of its proper divisors (11352629).

230152651 is a wasteful number, since it uses less digits than its factorization.

230152651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56105.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 230152651 is about 15170.7828077525. The cubic root of 230152651 is about 612.8280855652.

It can be divided in two parts, 230 and 152651, that added together give a square (152881 = 3912).

The spelling of 230152651 in words is "two hundred thirty million, one hundred fifty-two thousand, six hundred fifty-one".

Divisors: 1 23 179 4117 55903 1285769 10006637 230152651