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115421273 = 1141255923
BaseRepresentation
bin1101110000100…
…11000001011001
322001012000012222
412320103001121
5214021440043
615241513425
72601031112
oct670230131
9261160188
10115421273
115a174790
12327a2875
131abb2b16
1411487209
15a1edd68
hex6e13059

115421273 has 8 divisors (see below), whose sum is σ = 128985696. Its totient is φ = 102368800.

The previous prime is 115421239. The next prime is 115421281. The reversal of 115421273 is 372124511.

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

It is not a de Polignac number, because 115421273 - 26 = 115421209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115421203) 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, 127511 + ... + 128412.

It is an arithmetic number, because the mean of its divisors is an integer number (16123212).

Almost surely, 2115421273 is an apocalyptic number.

It is an amenable number.

115421273 is a deficient number, since it is larger than the sum of its proper divisors (13564423).

115421273 is a wasteful number, since it uses less digits than its factorization.

115421273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255975.

The product of its digits is 1680, while the sum is 26.

The square root of 115421273 is about 10743.4292942244. The cubic root of 115421273 is about 486.8874944432.

Adding to 115421273 its reverse (372124511), we get a palindrome (487545784).

The spelling of 115421273 in words is "one hundred fifteen million, four hundred twenty-one thousand, two hundred seventy-three".

Divisors: 1 11 41 451 255923 2815153 10492843 115421273