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230213193 = 3728033911
BaseRepresentation
bin11011011100011…
…00011001001001
3121001012001010120
431232030121021
5432413310233
634502133453
75463531330
oct1556143111
9531161116
10230213193
11108a49641
1265121289
1338905332
1422808d17
15153264b3
hexdb8c649

230213193 has 16 divisors (see below), whose sum is σ = 351015936. Its totient is φ = 131469840.

The previous prime is 230213183. The next prime is 230213197. The reversal of 230213193 is 391312032.

230213193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230213193 - 28 = 230212937 is a prime.

It is a super-2 number, since 2×2302131932 = 105996228462510498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230213197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56908 + ... + 60818.

It is an arithmetic number, because the mean of its divisors is an integer number (21938496).

Almost surely, 2230213193 is an apocalyptic number.

It is an amenable number.

230213193 is a deficient number, since it is larger than the sum of its proper divisors (120802743).

230213193 is a wasteful number, since it uses less digits than its factorization.

230213193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 230213193 is about 15172.7780251344. The cubic root of 230213193 is about 612.8818159698.

The spelling of 230213193 in words is "two hundred thirty million, two hundred thirteen thousand, one hundred ninety-three".

Divisors: 1 3 7 21 2803 3911 8409 11733 19621 27377 58863 82131 10962533 32887599 76737731 230213193