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115263438 = 2328336781
BaseRepresentation
bin1101101111011…
…00011111001110
322000212222201020
412313230133032
5214001412223
615234255010
72566503003
oct667543716
9260788636
10115263438
115a077144
1232727466
131ab59024
14114458aa
15a1bc1e3
hex6dec7ce

115263438 has 16 divisors (see below), whose sum is σ = 230642256. Its totient is φ = 38401920.

The previous prime is 115263433. The next prime is 115263439. The reversal of 115263438 is 834362511.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 115263399 and 115263408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115263431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13608 + ... + 20388.

It is an arithmetic number, because the mean of its divisors is an integer number (14415141).

Almost surely, 2115263438 is an apocalyptic number.

115263438 is an abundant number, since it is smaller than the sum of its proper divisors (115378818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115263438 is a wasteful number, since it uses less digits than its factorization.

115263438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619.

The product of its digits is 17280, while the sum is 33.

The square root of 115263438 is about 10736.0811286055. The cubic root of 115263438 is about 486.6654587030.

The spelling of 115263438 in words is "one hundred fifteen million, two hundred sixty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 2833 5666 6781 8499 13562 16998 20343 40686 19210573 38421146 57631719 115263438