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2239486091 = 19117867689
BaseRepresentation
bin1000010101111011…
…1101100010001011
312210001222200101022
42011132331202023
514041302023331
61010115543055
7106332213653
oct20536754213
95701880338
102239486091
11a4a14a057
12525bbaa8b
13298c782cb
141735d9363
15d191b67b
hex857bd88b

2239486091 has 4 divisors (see below), whose sum is σ = 2357353800. Its totient is φ = 2121618384.

The previous prime is 2239486079. The next prime is 2239486099. The reversal of 2239486091 is 1906849322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2239486091 - 26 = 2239486027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2239486099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58933826 + ... + 58933863.

It is an arithmetic number, because the mean of its divisors is an integer number (589338450).

Almost surely, 22239486091 is an apocalyptic number.

2239486091 is a deficient number, since it is larger than the sum of its proper divisors (117867709).

2239486091 is a wasteful number, since it uses less digits than its factorization.

2239486091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117867708.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2239486091 is about 47323.2087986434. The cubic root of 2239486091 is about 1308.3264550880.

The spelling of 2239486091 in words is "two billion, two hundred thirty-nine million, four hundred eighty-six thousand, ninety-one".

Divisors: 1 19 117867689 2239486091