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230402201 = 2310017487
BaseRepresentation
bin11011011101110…
…10100010011001
3121001112122101212
431232322202121
5432440332301
634510152505
75465246351
oct1556724231
9531478355
10230402201
11109068647
12651b2735
1338970383
1422857b61
15153624bb
hexdbba899

230402201 has 4 divisors (see below), whose sum is σ = 240419712. Its totient is φ = 220384692.

The previous prime is 230402197. The next prime is 230402209. The reversal of 230402201 is 102204032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230402201 - 22 = 230402197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230402209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008721 + ... + 5008766.

It is an arithmetic number, because the mean of its divisors is an integer number (60104928).

Almost surely, 2230402201 is an apocalyptic number.

It is an amenable number.

230402201 is a deficient number, since it is larger than the sum of its proper divisors (10017511).

230402201 is a wasteful number, since it uses less digits than its factorization.

230402201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017510.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 230402201 is about 15179.0052704385. The cubic root of 230402201 is about 613.0494980464.

Adding to 230402201 its reverse (102204032), we get a palindrome (332606233).

The spelling of 230402201 in words is "two hundred thirty million, four hundred two thousand, two hundred one".

Divisors: 1 23 10017487 230402201