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230044399 = 1341431603
BaseRepresentation
bin11011011011000…
…11001011101111
3121000212110120221
431231203023233
5432342410044
634454352211
75462226244
oct1555431357
9530773527
10230044399
11108943842
126505b667
1338876560
14227a35cb
15152e1484
hexdb632ef

230044399 has 8 divisors (see below), whose sum is σ = 253783152. Its totient is φ = 207168960.

The previous prime is 230044387. The next prime is 230044417. The reversal of 230044399 is 993440032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230044399 is a prime.

It is a super-2 number, since 2×2300443992 = 105840851022542402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230044319) 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, 215269 + ... + 216334.

It is an arithmetic number, because the mean of its divisors is an integer number (31722894).

Almost surely, 2230044399 is an apocalyptic number.

230044399 is a deficient number, since it is larger than the sum of its proper divisors (23738753).

230044399 is a wasteful number, since it uses less digits than its factorization.

230044399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431657.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 230044399 is about 15167.2146091496. The cubic root of 230044399 is about 612.7319895331.

The spelling of 230044399 in words is "two hundred thirty million, forty-four thousand, three hundred ninety-nine".

Divisors: 1 13 41 533 431603 5610839 17695723 230044399