Base | Representation |
---|---|
bin | 1001100101100… |
… | …1001000000000 |
3 | 2210122221001020 |
4 | 2121121020000 |
5 | 40243222234 |
6 | 3553505440 |
7 | 665534034 |
oct | 231311000 |
9 | 83587036 |
10 | 40210944 |
11 | 20775094 |
12 | 11572280 |
13 | 843b877 |
14 | 54aa1c4 |
15 | 37e4549 |
hex | 2659200 |
40210944 has 80 divisors (see below), whose sum is σ = 109600128. Its totient is φ = 13094912.
The previous prime is 40210943. The next prime is 40210949. The reversal of 40210944 is 44901204.
It is a super-2 number, since 2×402109442 = 3233840034742272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (40210943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71914 + ... + 72470.
Almost surely, 240210944 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 40210944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54800064).
40210944 is an abundant number, since it is smaller than the sum of its proper divisors (69389184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40210944 is an equidigital number, since it uses as much as digits as its factorization.
40210944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 625 (or 609 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 40210944 is about 6341.2099791759. The cubic root of 40210944 is about 342.5953175665.
The spelling of 40210944 in words is "forty million, two hundred ten thousand, nine hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •