Base | Representation |
---|---|
bin | 10010111110111… |
… | …01011101011000 |
3 | 102002122100001112 |
4 | 21133131131120 |
5 | 311231221242 |
6 | 23445035452 |
7 | 3642351413 |
oct | 1137353530 |
9 | 362570045 |
10 | 159242072 |
11 | 81984a20 |
12 | 453b5b88 |
13 | 26cb67a2 |
14 | 17212b7a |
15 | dea7c82 |
hex | 97dd758 |
159242072 has 32 divisors (see below), whose sum is σ = 333305280. Its totient is φ = 70697760.
The previous prime is 159242053. The next prime is 159242099. The reversal of 159242072 is 270242951.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 17258 + ... + 24825.
It is an arithmetic number, because the mean of its divisors is an integer number (10415790).
Almost surely, 2159242072 is an apocalyptic number.
It is an amenable number.
159242072 is an abundant number, since it is smaller than the sum of its proper divisors (174063208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159242072 is a wasteful number, since it uses less digits than its factorization.
159242072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42143 (or 42139 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 159242072 is about 12619.1153414176. The cubic root of 159242072 is about 542.0249440461.
The spelling of 159242072 in words is "one hundred fifty-nine million, two hundred forty-two thousand, seventy-two".
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