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230729438 = 2971189327
BaseRepresentation
bin11011100000010…
…10011011011110
3121002011021021202
431300022123132
5433031320223
634521155502
75501111402
oct1560123336
9532137252
10230729438
11109271495
126532bb92
1338a562c4
1422901102
15153c9428
hexdc0a6de

230729438 has 8 divisors (see below), whose sum is σ = 349662432. Its totient is φ = 114175296.

The previous prime is 230729437. The next prime is 230729449. The reversal of 230729438 is 834927032.

It is a happy number.

230729438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230729431) 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, 594470 + ... + 594857.

It is an arithmetic number, because the mean of its divisors is an integer number (43707804).

Almost surely, 2230729438 is an apocalyptic number.

230729438 is a deficient number, since it is larger than the sum of its proper divisors (118932994).

230729438 is a wasteful number, since it uses less digits than its factorization.

230729438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189426.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 230729438 is about 15189.7807094112. The cubic root of 230729438 is about 613.3395959374.

The spelling of 230729438 in words is "two hundred thirty million, seven hundred twenty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 97 194 1189327 2378654 115364719 230729438