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159089 = 722727
BaseRepresentation
bin100110110101110001
322002020012
4212311301
520042324
63224305
71231550
oct466561
9262205
10159089
11a9587
1278095
1357548
1441d97
153220e
hex26d71

159089 has 4 divisors (see below), whose sum is σ = 181824. Its totient is φ = 136356.

The previous prime is 159079. The next prime is 159097. The reversal of 159089 is 980951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159089 - 24 = 159073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11357 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (45456).

2159089 is an apocalyptic number.

It is an amenable number.

159089 is a deficient number, since it is larger than the sum of its proper divisors (22735).

159089 is an equidigital number, since it uses as much as digits as its factorization.

159089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22734.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 159089 is about 398.8596244294. The cubic root of 159089 is about 54.1851213909.

The spelling of 159089 in words is "one hundred fifty-nine thousand, eighty-nine".

Divisors: 1 7 22727 159089