Base | Representation |
---|---|
bin | 1001101001000… |
… | …0000111001100 |
3 | 2211002101000000 |
4 | 2122100013030 |
5 | 40322424142 |
6 | 4002404300 |
7 | 1000462500 |
oct | 232200714 |
9 | 84071000 |
10 | 40436172 |
11 | 20909327 |
12 | 11660690 |
13 | 84ba23a |
14 | 5528300 |
15 | 383b14c |
hex | 26901cc |
40436172 has 126 divisors (see below), whose sum is σ = 123854388. Its totient is φ = 11512368.
The previous prime is 40436167. The next prime is 40436173. The reversal of 40436172 is 27163404.
40436172 is a `hidden beast` number, since 4 + 0 + 43 + 617 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (126).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (40436173) by changing a digit.
It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 142743 + ... + 143025.
Almost surely, 240436172 is an apocalyptic number.
40436172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40436172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61927194).
40436172 is an abundant number, since it is smaller than the sum of its proper divisors (83418216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40436172 is a wasteful number, since it uses less digits than its factorization.
40436172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319 (or 295 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 40436172 is about 6358.9442519966. The cubic root of 40436172 is about 343.2337709445.
Adding to 40436172 its reverse (27163404), we get a palindrome (67599576).
The spelling of 40436172 in words is "forty million, four hundred thirty-six thousand, one hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •