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230125451 = 478748073
BaseRepresentation
bin11011011011101…
…10111110001011
3121001000120202212
431231312332023
5432403003301
634500215335
75463014453
oct1555667613
9531016685
10230125451
11108999726
126509a54b
13388a440a
14227c4d63
151530a4bb
hexdb76f8b

230125451 has 4 divisors (see below), whose sum is σ = 230178312. Its totient is φ = 230072592.

The previous prime is 230125421. The next prime is 230125453. The reversal of 230125451 is 154521032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230125451 - 26 = 230125387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230125453) 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 3 ways as a sum of consecutive naturals, for example, 19250 + ... + 28823.

It is an arithmetic number, because the mean of its divisors is an integer number (57544578).

Almost surely, 2230125451 is an apocalyptic number.

230125451 is a deficient number, since it is larger than the sum of its proper divisors (52861).

230125451 is an equidigital number, since it uses as much as digits as its factorization.

230125451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230125451 is about 15169.8863212616. The cubic root of 230125451 is about 612.8039427762.

Adding to 230125451 its reverse (154521032), we get a palindrome (384646483).

The spelling of 230125451 in words is "two hundred thirty million, one hundred twenty-five thousand, four hundred fifty-one".

Divisors: 1 4787 48073 230125451