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159054239 = 682923291
BaseRepresentation
bin10010111101011…
…11100110011111
3102002021210101202
421132233212133
5311204213424
623441030115
73640636661
oct1136574637
9362253352
10159054239
1181866893
124532533b
1326c4c146
14171a4531
15de6c2ae
hex97af99f

159054239 has 4 divisors (see below), whose sum is σ = 159084360. Its totient is φ = 159024120.

The previous prime is 159054229. The next prime is 159054257. The reversal of 159054239 is 932450951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932450951 = 6431450157.

It is a cyclic number.

It is not a de Polignac number, because 159054239 - 220 = 158005663 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 (159054229) 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 3 ways as a sum of consecutive naturals, for example, 4817 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (39771090).

Almost surely, 2159054239 is an apocalyptic number.

159054239 is a deficient number, since it is larger than the sum of its proper divisors (30121).

159054239 is an equidigital number, since it uses as much as digits as its factorization.

159054239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30120.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 159054239 is about 12611.6707457815. The cubic root of 159054239 is about 541.8117461432.

The spelling of 159054239 in words is "one hundred fifty-nine million, fifty-four thousand, two hundred thirty-nine".

Divisors: 1 6829 23291 159054239