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2238290159 = 72172687023
BaseRepresentation
bin1000010101101001…
…1001100011101111
312202222201220212112
42011122121203233
514041000241114
61010034154235
7106316103200
oct20532314357
95688656775
102238290159
11a49502586
1252572297b
13298949b61
141733a75a7
15d178213e
hex856998ef

2238290159 has 12 divisors (see below), whose sum is σ = 2756886624. Its totient is φ = 1805678784.

The previous prime is 2238290147. The next prime is 2238290177. The reversal of 2238290159 is 9510928322.

It is not a de Polignac number, because 2238290159 - 216 = 2238224623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238290129) 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 11 ways as a sum of consecutive naturals, for example, 1342679 + ... + 1344344.

It is an arithmetic number, because the mean of its divisors is an integer number (229740552).

Almost surely, 22238290159 is an apocalyptic number.

2238290159 is a deficient number, since it is larger than the sum of its proper divisors (518596465).

2238290159 is a wasteful number, since it uses less digits than its factorization.

2238290159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687054 (or 2687047 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2238290159 is about 47310.5713239652. The cubic root of 2238290159 is about 1308.0935224694.

The spelling of 2238290159 in words is "two billion, two hundred thirty-eight million, two hundred ninety thousand, one hundred fifty-nine".

Divisors: 1 7 17 49 119 833 2687023 18809161 45679391 131664127 319755737 2238290159