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115080421 = 712715981
BaseRepresentation
bin1101101101111…
…11110011100101
322000112200122211
412312333303211
5213430033141
615230323421
72565111301
oct666776345
9260480584
10115080421
1159a61695
1232659571
131aac3931
14113d8d01
15a182d81
hex6dbfce5

115080421 has 8 divisors (see below), whose sum is σ = 117151488. Its totient is φ = 113022000.

The previous prime is 115080389. The next prime is 115080461. The reversal of 115080421 is 124080511.

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

It is a cyclic number.

It is not a de Polignac number, because 115080421 - 25 = 115080389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115080392 and 115080401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115080461) 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, 16251 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (14643936).

Almost surely, 2115080421 is an apocalyptic number.

It is an amenable number.

115080421 is a deficient number, since it is larger than the sum of its proper divisors (2071067).

115080421 is an equidigital number, since it uses as much as digits as its factorization.

115080421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 115080421 is about 10727.5542879074. The cubic root of 115080421 is about 486.4077440376.

The spelling of 115080421 in words is "one hundred fifteen million, eighty thousand, four hundred twenty-one".

Divisors: 1 71 271 5981 19241 424651 1620851 115080421