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159402 = 2331857
BaseRepresentation
bin100110111010101010
322002122210
4212322222
520100102
63225550
71232505
oct467252
9262583
10159402
11a9841
12782b6
1357729
144213c
153236c
hex26eaa

159402 has 16 divisors (see below), whose sum is σ = 329472. Its totient is φ = 51360.

The previous prime is 159389. The next prime is 159403. The reversal of 159402 is 204951.

159402 is nontrivially palindromic in base 5.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (159403) by changing a digit.

159402 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 in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 614.

It is an arithmetic number, because the mean of its divisors is an integer number (20592).

2159402 is an apocalyptic number.

159402 is an abundant number, since it is smaller than the sum of its proper divisors (170070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159402 is a wasteful number, since it uses less digits than its factorization.

159402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 159402 is about 399.2518002464. The cubic root of 159402 is about 54.2206336566.

It can be divided in two parts, 159 and 402, that added together give a triangular number (561 = T33).

The spelling of 159402 in words is "one hundred fifty-nine thousand, four hundred two".

Divisors: 1 2 3 6 31 62 93 186 857 1714 2571 5142 26567 53134 79701 159402