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230840438 = 2115420219
BaseRepresentation
bin11011100001001…
…01100001110110
3121002100220112212
431300211201312
5433043343223
634523413422
75502053123
oct1560454166
9532326485
10230840438
11109337924
1265384272
1338a9499a
142292d74a
15153ec278
hexdc25876

230840438 has 4 divisors (see below), whose sum is σ = 346260660. Its totient is φ = 115420218.

The previous prime is 230840429. The next prime is 230840459. The reversal of 230840438 is 834048032.

230840438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57710108 + ... + 57710111.

It is an arithmetic number, because the mean of its divisors is an integer number (86565165).

Almost surely, 2230840438 is an apocalyptic number.

230840438 is a deficient number, since it is larger than the sum of its proper divisors (115420222).

230840438 is a wasteful number, since it uses less digits than its factorization.

230840438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115420221.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 230840438 is about 15193.4340423750. The cubic root of 230840438 is about 613.4379359111.

The spelling of 230840438 in words is "two hundred thirty million, eight hundred forty thousand, four hundred thirty-eight".

Divisors: 1 2 115420219 230840438