Base | Representation |
---|---|
bin | 10001101000010… |
… | …10100100111110 |
3 | 101022021201102120 |
4 | 20310022210332 |
5 | 300330030132 |
6 | 22401503410 |
7 | 3444031410 |
oct | 1064124476 |
9 | 338251376 |
10 | 147892542 |
11 | 76532946 |
12 | 41641b66 |
13 | 248418a5 |
14 | 158da9b0 |
15 | ceb502c |
hex | 8d0a93e |
147892542 has 64 divisors (see below), whose sum is σ = 357772800. Its totient is φ = 39813120.
The previous prime is 147892541. The next prime is 147892567. The reversal of 147892542 is 245298741.
147892542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 147892494 and 147892503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147892541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191934 + ... + 192702.
It is an arithmetic number, because the mean of its divisors is an integer number (5590200).
Almost surely, 2147892542 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 147892542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178886400).
147892542 is an abundant number, since it is smaller than the sum of its proper divisors (209880258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147892542 is a wasteful number, since it uses less digits than its factorization.
147892542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1041.
The product of its digits is 161280, while the sum is 42.
The square root of 147892542 is about 12161.1077620421. The cubic root of 147892542 is about 528.8291967060.
The spelling of 147892542 in words is "one hundred forty-seven million, eight hundred ninety-two thousand, five hundred forty-two".
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