Base | Representation |
---|---|
bin | 1001101000001… |
… | …1110000111000 |
3 | 2210222210121200 |
4 | 2122003300320 |
5 | 40314314332 |
6 | 4001334200 |
7 | 1000162152 |
oct | 232036070 |
9 | 83883550 |
10 | 40385592 |
11 | 20884325 |
12 | 11637360 |
13 | 84a0200 |
14 | 5513ad2 |
15 | 382b17c |
hex | 2683c38 |
40385592 has 72 divisors (see below), whose sum is σ = 118474200. Its totient is φ = 12422592.
The previous prime is 40385551. The next prime is 40385593. The reversal of 40385592 is 29558304.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40385593) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10509 + ... + 13827.
It is an arithmetic number, because the mean of its divisors is an integer number (1645475).
Almost surely, 240385592 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 40385592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59237100).
40385592 is an abundant number, since it is smaller than the sum of its proper divisors (78088608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40385592 is a wasteful number, since it uses less digits than its factorization.
40385592 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3357 (or 3337 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 40385592 is about 6354.9659322454. The cubic root of 40385592 is about 343.0905987389.
The spelling of 40385592 in words is "forty million, three hundred eighty-five thousand, five hundred ninety-two".
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