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230506495 = 561755759
BaseRepresentation
bin11011011110100…
…11111111111111
3121001201221110121
431233103333333
5433002201440
634512315411
75466162412
oct1557237777
9531657417
10230506495
11109129a3a
1265242b67
13389a899b
1422883b79
151538334a
hexdbd3fff

230506495 has 8 divisors (see below), whose sum is σ = 281142720. Its totient is φ = 181381920.

The previous prime is 230506489. The next prime is 230506511. The reversal of 230506495 is 594605032.

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

It is not a de Polignac number, because 230506495 - 29 = 230505983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230506495.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377575 + ... + 378184.

It is an arithmetic number, because the mean of its divisors is an integer number (35142840).

Almost surely, 2230506495 is an apocalyptic number.

230506495 is a deficient number, since it is larger than the sum of its proper divisors (50636225).

230506495 is an equidigital number, since it uses as much as digits as its factorization.

230506495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755825.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 230506495 is about 15182.4403506156. The cubic root of 230506495 is about 613.1419852119.

The spelling of 230506495 in words is "two hundred thirty million, five hundred six thousand, four hundred ninety-five".

Divisors: 1 5 61 305 755759 3778795 46101299 230506495