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230004941 = 1609142949
BaseRepresentation
bin11011011010110…
…01100011001101
3121000210110110112
431231121203031
5432340124231
634453445405
75462003225
oct1555314315
9530713415
10230004941
11108917131
1265040865
13388615ca
1422793085
15152d492b
hexdb598cd

230004941 has 4 divisors (see below), whose sum is σ = 230149500. Its totient is φ = 229860384.

The previous prime is 230004923. The next prime is 230004947. The reversal of 230004941 is 149400032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184172041 + 45832900 = 13571^2 + 6770^2 .

It is a cyclic number.

It is not a de Polignac number, because 230004941 - 26 = 230004877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230004947) 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, 69866 + ... + 73083.

It is an arithmetic number, because the mean of its divisors is an integer number (57537375).

Almost surely, 2230004941 is an apocalyptic number.

It is an amenable number.

230004941 is a deficient number, since it is larger than the sum of its proper divisors (144559).

230004941 is a wasteful number, since it uses less digits than its factorization.

230004941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144558.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 230004941 is about 15165.9137871742. The cubic root of 230004941 is about 612.6969549030.

Adding to 230004941 its reverse (149400032), we get a palindrome (379404973).

The spelling of 230004941 in words is "two hundred thirty million, four thousand, nine hundred forty-one".

Divisors: 1 1609 142949 230004941