Base | Representation |
---|---|
bin | 100101010000011000… |
… | …100110110001111000 |
3 | 10211020220022212211211 |
4 | 211100120212301320 |
5 | 1123411323130430 |
6 | 30213254132504 |
7 | 2614214502463 |
oct | 452030466170 |
9 | 124226285754 |
10 | 40003333240 |
11 | 15a68925392 |
12 | 7905051134 |
13 | 3a0697b7b0 |
14 | 1d16bd82da |
15 | 1091e4472a |
hex | 950626c78 |
40003333240 has 32 divisors (see below), whose sum is σ = 96931154880. Its totient is φ = 14770461312.
The previous prime is 40003333217. The next prime is 40003333243. The reversal of 40003333240 is 4233330004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40003333243) 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, 38464224 + ... + 38465263.
It is an arithmetic number, because the mean of its divisors is an integer number (3029098590).
Almost surely, 240003333240 is an apocalyptic number.
40003333240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40003333240 is an abundant number, since it is smaller than the sum of its proper divisors (56927821640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40003333240 is a wasteful number, since it uses less digits than its factorization.
40003333240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76929511 (or 76929507 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 22.
Adding to 40003333240 its reverse (4233330004), we get a palindrome (44236663244).
The spelling of 40003333240 in words is "forty billion, three million, three hundred thirty-three thousand, two hundred forty".
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