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230454451 = 521631701
BaseRepresentation
bin11011011110001…
…11010010110011
3121001122022002001
431233013102303
5432444020301
634511234431
75465554603
oct1557072263
9531568061
10230454451
111090a3927
1265218a17
133898b0a6
142286cc03
1515372c01
hexdbc74b3

230454451 has 8 divisors (see below), whose sum is σ = 231592608. Its totient is φ = 229320000.

The previous prime is 230454409. The next prime is 230454487. The reversal of 230454451 is 154454032.

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 230454451 - 211 = 230452403 is a prime.

It is a super-2 number, since 2×2304544512 = 106218507971422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230454751) 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 7 ways as a sum of consecutive naturals, for example, 328401 + ... + 329101.

It is an arithmetic number, because the mean of its divisors is an integer number (28949076).

Almost surely, 2230454451 is an apocalyptic number.

230454451 is a deficient number, since it is larger than the sum of its proper divisors (1138157).

230454451 is an equidigital number, since it uses as much as digits as its factorization.

230454451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 230454451 is about 15180.7263001478. The cubic root of 230454451 is about 613.0958364568.

The spelling of 230454451 in words is "two hundred thirty million, four hundred fifty-four thousand, four hundred fifty-one".

Divisors: 1 521 631 701 328751 365221 442331 230454451