Search a number
-
+
26987082 = 2313732831
BaseRepresentation
bin110011011110…
…0101001001010
31212210002022120
41212330221022
523402041312
62402232110
7445246353
oct146745112
955702276
1026987082
1114262881
129055636
13578b7b5
143826d2a
15258128c
hex19bca4a

26987082 has 16 divisors (see below), whose sum is σ = 54369792. Its totient is φ = 8929760.

The previous prime is 26987069. The next prime is 26987083. The reversal of 26987082 is 28078962.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26987083) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15594 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (3398112).

Almost surely, 226987082 is an apocalyptic number.

26987082 is an abundant number, since it is smaller than the sum of its proper divisors (27382710).

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

26987082 is a wasteful number, since it uses less digits than its factorization.

26987082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32973.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 26987082 is about 5194.9092388607. The cubic root of 26987082 is about 299.9521479232.

The spelling of 26987082 in words is "twenty-six million, nine hundred eighty-seven thousand, eighty-two".

Divisors: 1 2 3 6 137 274 411 822 32831 65662 98493 196986 4497847 8995694 13493541 26987082