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115430223 = 338476741
BaseRepresentation
bin1101110000101…
…01001101001111
322001012110111110
412320111031033
5214022231343
615242023103
72601066156
oct670251517
9261173443
10115430223
115a180487
12327a7a93
131abb6c0c
141148a59d
15a201833
hex6e1534f

115430223 has 4 divisors (see below), whose sum is σ = 153906968. Its totient is φ = 76953480.

The previous prime is 115430197. The next prime is 115430299. The reversal of 115430223 is 322034511.

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

It is not a de Polignac number, because 115430223 - 25 = 115430191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115430223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115430923) 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, 19238368 + ... + 19238373.

It is an arithmetic number, because the mean of its divisors is an integer number (38476742).

Almost surely, 2115430223 is an apocalyptic number.

115430223 is a deficient number, since it is larger than the sum of its proper divisors (38476745).

115430223 is an equidigital number, since it uses as much as digits as its factorization.

115430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38476744.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 115430223 is about 10743.8458198170. The cubic root of 115430223 is about 486.9000788665.

Adding to 115430223 its reverse (322034511), we get a palindrome (437464734).

The spelling of 115430223 in words is "one hundred fifteen million, four hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 38476741 115430223