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230644601 = 1157136721
BaseRepresentation
bin11011011111101…
…01101101111001
3121001222221220122
431233311231321
5433021111401
634515303025
75500306145
oct1557655571
9531887818
10230644601
11109213780
12652aaa75
1338a267c5
14228bc225
15153ae21b
hexdbf5b79

230644601 has 8 divisors (see below), whose sum is σ = 252059808. Its totient is φ = 209304000.

The previous prime is 230644571. The next prime is 230644607. The reversal of 230644601 is 106446032.

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 230644601 - 218 = 230382457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230644607) 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, 12080 + ... + 24641.

It is an arithmetic number, because the mean of its divisors is an integer number (31507476).

Almost surely, 2230644601 is an apocalyptic number.

It is an amenable number.

230644601 is a deficient number, since it is larger than the sum of its proper divisors (21415207).

230644601 is a wasteful number, since it uses less digits than its factorization.

230644601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37303.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 230644601 is about 15186.9878843700. The cubic root of 230644601 is about 613.2644136944.

It can be divided in two parts, 2 and 30644601, that added together give a palindrome (30644603).

The spelling of 230644601 in words is "two hundred thirty million, six hundred forty-four thousand, six hundred one".

Divisors: 1 11 571 6281 36721 403931 20967691 230644601