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230312401 = 1153395047
BaseRepresentation
bin11011011101001…
…00100111010001
3121001101002012221
431232210213101
5432424444101
634504221041
75464423504
oct1556444721
9531332187
10230312401
11109007130
126516a781
133893b537
142283313b
1515345aa1
hexdba49d1

230312401 has 8 divisors (see below), whose sum is σ = 255991104. Its totient is φ = 205423920.

The previous prime is 230312389. The next prime is 230312431. The reversal of 230312401 is 104213032.

It is a happy number.

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 230312401 - 27 = 230312273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230312431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196941 + ... + 198106.

It is an arithmetic number, because the mean of its divisors is an integer number (31998888).

Almost surely, 2230312401 is an apocalyptic number.

It is an amenable number.

230312401 is a deficient number, since it is larger than the sum of its proper divisors (25678703).

230312401 is a wasteful number, since it uses less digits than its factorization.

230312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395111.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230312401 is about 15176.0469490576. The cubic root of 230312401 is about 612.9698416912.

Adding to 230312401 its reverse (104213032), we get a palindrome (334525433).

The spelling of 230312401 in words is "two hundred thirty million, three hundred twelve thousand, four hundred one".

Divisors: 1 11 53 583 395047 4345517 20937491 230312401