Base | Representation |
---|---|
bin | 1001100010101… |
… | …1000110011110 |
3 | 2210022100110020 |
4 | 2120223012132 |
5 | 40221204210 |
6 | 3545453010 |
7 | 664120320 |
oct | 230530636 |
9 | 83270406 |
10 | 40022430 |
11 | 20656498 |
12 | 114a1166 |
13 | 83a3b16 |
14 | 545b610 |
15 | 37a8770 |
hex | 262b19e |
40022430 has 32 divisors (see below), whose sum is σ = 109776384. Its totient is φ = 9147936.
The previous prime is 40022429. The next prime is 40022441. The reversal of 40022430 is 3422004.
It is a happy number.
40022430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95082 + ... + 95501.
It is an arithmetic number, because the mean of its divisors is an integer number (3430512).
Almost surely, 240022430 is an apocalyptic number.
40022430 is an abundant number, since it is smaller than the sum of its proper divisors (69753954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40022430 is a wasteful number, since it uses less digits than its factorization.
40022430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190600.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 40022430 is about 6326.3283190173. The cubic root of 40022430 is about 342.0591019913.
Adding to 40022430 its reverse (3422004), we get a palindrome (43444434).
The spelling of 40022430 in words is "forty million, twenty-two thousand, four hundred thirty".
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