Base | Representation |
---|---|
bin | 1000111001001… |
… | …01101010000110 |
3 | 12012101020021100 |
4 | 10130211222012 |
5 | 123044300032 |
6 | 11223000530 |
7 | 1564054605 |
oct | 434455206 |
9 | 165336240 |
10 | 74603142 |
11 | 39125499 |
12 | 20b99146 |
13 | 125c0a93 |
14 | 9c9da3c |
15 | 683997c |
hex | 4725a86 |
74603142 has 24 divisors (see below), whose sum is σ = 161957016. Its totient is φ = 24818976.
The previous prime is 74603141. The next prime is 74603159. The reversal of 74603142 is 24130647.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74603141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6058 + ... + 13634.
It is an arithmetic number, because the mean of its divisors is an integer number (6748209).
Almost surely, 274603142 is an apocalyptic number.
74603142 is an abundant number, since it is smaller than the sum of its proper divisors (87353874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74603142 is a wasteful number, since it uses less digits than its factorization.
74603142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8132 (or 8129 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 74603142 is about 8637.3110399012. The cubic root of 74603142 is about 420.9711879147.
Adding to 74603142 its reverse (24130647), we get a palindrome (98733789).
The spelling of 74603142 in words is "seventy-four million, six hundred three thousand, one hundred forty-two".
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