Base | Representation |
---|---|
bin | 1000110101101… |
… | …00010010111110 |
3 | 12011111122100000 |
4 | 10122310102332 |
5 | 122434420224 |
6 | 11205015130 |
7 | 1560112101 |
oct | 432642276 |
9 | 164448300 |
10 | 74138814 |
11 | 38938652 |
12 | 209b44a6 |
13 | 1248a629 |
14 | 9bbc738 |
15 | 67970c9 |
hex | 46b44be |
74138814 has 48 divisors (see below), whose sum is σ = 168779520. Its totient is φ = 24387480.
The previous prime is 74138809. The next prime is 74138849. The reversal of 74138814 is 41883147.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37429 + ... + 39359.
It is an arithmetic number, because the mean of its divisors is an integer number (3516240).
Almost surely, 274138814 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74138814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84389760).
74138814 is an abundant number, since it is smaller than the sum of its proper divisors (94640706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74138814 is a wasteful number, since it uses less digits than its factorization.
74138814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2027 (or 2015 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 74138814 is about 8610.3898866428. The cubic root of 74138814 is about 420.0959984643.
The spelling of 74138814 in words is "seventy-four million, one hundred thirty-eight thousand, eight hundred fourteen".
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