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230472001 = 3710161673
BaseRepresentation
bin11011011110010…
…11100101000001
3121001200012011001
431233023211001
5433000101001
634511452001
75465660014
oct1557134501
9531605131
10230472001
11109106031
1265227001
1338996086
142287537b
1515378001
hexdbcb941

230472001 has 8 divisors (see below), whose sum is σ = 239048424. Its totient is φ = 222019200.

The previous prime is 230471999. The next prime is 230472031. The reversal of 230472001 is 100274032.

It can be written as a sum of positive squares in 4 ways, for example, as 208051776 + 22420225 = 14424^2 + 4735^2 .

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 230472001 - 21 = 230471999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230472001.

It is not an unprimeable number, because it can be changed into a prime (230472031) 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, 27100 + ... + 34573.

It is an arithmetic number, because the mean of its divisors is an integer number (29881053).

Almost surely, 2230472001 is an apocalyptic number.

It is an amenable number.

230472001 is a deficient number, since it is larger than the sum of its proper divisors (8576423).

230472001 is a wasteful number, since it uses less digits than its factorization.

230472001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61811.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 230472001 is about 15181.3043247278. The cubic root of 230472001 is about 613.1113992701. Note that the first 3 decimals are identical.

It can be divided in two parts, 2304 and 72001, that added together give a triangular number (74305 = T385).

The spelling of 230472001 in words is "two hundred thirty million, four hundred seventy-two thousand, one".

Divisors: 1 37 101 3737 61673 2281901 6228973 230472001