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115191422 = 21729116827
BaseRepresentation
bin1101101110110…
…10111001111110
322000202022220222
412313122321332
5213442111142
615232541342
72566053023
oct667327176
9260668828
10115191422
115a028025
12326b1852
131ab32308
141142754a
15a1a5bd2
hex6ddae7e

115191422 has 16 divisors (see below), whose sum is σ = 189261360. Its totient is φ = 52338048.

The previous prime is 115191421. The next prime is 115191431. The reversal of 115191422 is 224191511.

It is a junction number, because it is equal to n+sod(n) for n = 115191391 and 115191400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115191421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57428 + ... + 59399.

It is an arithmetic number, because the mean of its divisors is an integer number (11828835).

Almost surely, 2115191422 is an apocalyptic number.

115191422 is a deficient number, since it is larger than the sum of its proper divisors (74069938).

115191422 is a wasteful number, since it uses less digits than its factorization.

115191422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116875.

The product of its digits is 720, while the sum is 26.

The square root of 115191422 is about 10732.7266805784. The cubic root of 115191422 is about 486.5640822330.

The spelling of 115191422 in words is "one hundred fifteen million, one hundred ninety-one thousand, four hundred twenty-two".

Divisors: 1 2 17 29 34 58 493 986 116827 233654 1986059 3387983 3972118 6775966 57595711 115191422