Base | Representation |
---|---|
bin | 1000110100101… |
… | …01010110000000 |
3 | 12011021012102101 |
4 | 10122111112000 |
5 | 122421341112 |
6 | 11202200144 |
7 | 1556043343 |
oct | 432252600 |
9 | 164235371 |
10 | 74012032 |
11 | 38861376 |
12 | 20953054 |
13 | 12444a03 |
14 | 9b8845a |
15 | 676e757 |
hex | 4695580 |
74012032 has 32 divisors (see below), whose sum is σ = 149878800. Its totient is φ = 36395520.
The previous prime is 74012027. The next prime is 74012039. The reversal of 74012032 is 23021047.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74012039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3069 + ... + 12547.
Almost surely, 274012032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74939400).
74012032 is an abundant number, since it is smaller than the sum of its proper divisors (75866768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74012032 is an equidigital number, since it uses as much as digits as its factorization.
74012032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9554 (or 9542 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 74012032 is about 8603.0245844122. The cubic root of 74012032 is about 419.8563983748.
Adding to 74012032 its reverse (23021047), we get a palindrome (97033079).
The spelling of 74012032 in words is "seventy-four million, twelve thousand, thirty-two".
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