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230039346 = 23192017889
BaseRepresentation
bin11011011011000…
…01111100110010
3121000212012122210
431231201330302
5432342224341
634454312550
75462205435
oct1555417462
9530765583
10230039346
1110893aa69
1265058756
1338874174
14227a181c
15152dec16
hexdb61f32

230039346 has 16 divisors (see below), whose sum is σ = 484293600. Its totient is φ = 72643968.

The previous prime is 230039321. The next prime is 230039351. The reversal of 230039346 is 643930032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008831 + ... + 1009058.

It is an arithmetic number, because the mean of its divisors is an integer number (30268350).

Almost surely, 2230039346 is an apocalyptic number.

230039346 is an abundant number, since it is smaller than the sum of its proper divisors (254254254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230039346 is a wasteful number, since it uses less digits than its factorization.

230039346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017913.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 230039346 is about 15167.0480318353. The cubic root of 230039346 is about 612.7275032145.

Adding to 230039346 its reverse (643930032), we get a palindrome (873969378).

The spelling of 230039346 in words is "two hundred thirty million, thirty-nine thousand, three hundred forty-six".

Divisors: 1 2 3 6 19 38 57 114 2017889 4035778 6053667 12107334 38339891 76679782 115019673 230039346