Search a number
-
+
115429438 = 257714719
BaseRepresentation
bin1101110000101…
…01000000111110
322001012102102101
412320111000332
5214022220223
615242015314
72601063655
oct670250076
9261172371
10115429438
115a17a933
12327a753a
131abb6757
141148a19c
15a2014ad
hex6e1503e

115429438 has 4 divisors (see below), whose sum is σ = 173144160. Its totient is φ = 57714718.

The previous prime is 115429423. The next prime is 115429459. The reversal of 115429438 is 834924511.

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

It is a junction number, because it is equal to n+sod(n) for n = 115429397 and 115429406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28857358 + ... + 28857361.

It is an arithmetic number, because the mean of its divisors is an integer number (43286040).

Almost surely, 2115429438 is an apocalyptic number.

115429438 is a deficient number, since it is larger than the sum of its proper divisors (57714722).

115429438 is an equidigital number, since it uses as much as digits as its factorization.

115429438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57714721.

The product of its digits is 34560, while the sum is 37.

The square root of 115429438 is about 10743.8092872128. The cubic root of 115429438 is about 486.8989751190.

The spelling of 115429438 in words is "one hundred fifteen million, four hundred twenty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 57714719 115429438