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159428 = 2239857
BaseRepresentation
bin100110111011000100
322002200202
4212323010
520100203
63230032
71232543
oct467304
9262622
10159428
11a9865
1278318
1357749
144215a
1532388
hex26ec4

159428 has 6 divisors (see below), whose sum is σ = 279006. Its totient is φ = 79712.

The previous prime is 159421. The next prime is 159431. The reversal of 159428 is 824951.

159428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 1024 = 398^2 + 32^2 .

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 159428.

It is not an unprimeable number, because it can be changed into a prime (159421) by changing a digit.

159428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19925 + ... + 19932.

It is an arithmetic number, because the mean of its divisors is an integer number (46501).

2159428 is an apocalyptic number.

It is an amenable number.

159428 is a deficient number, since it is larger than the sum of its proper divisors (119578).

159428 is a wasteful number, since it uses less digits than its factorization.

159428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39861 (or 39859 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 159428 is about 399.2843598239. The cubic root of 159428 is about 54.2235814653.

The spelling of 159428 in words is "one hundred fifty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 39857 79714 159428