Base | Representation |
---|---|
bin | 1001101110011… |
… | …1000110100001 |
3 | 2211202110202122 |
4 | 2123213012201 |
5 | 40420324411 |
6 | 4014154025 |
7 | 1003505342 |
oct | 233470641 |
9 | 84673678 |
10 | 40792481 |
11 | 21031aa4 |
12 | 117b2915 |
13 | 85b3482 |
14 | 55bc0c9 |
15 | 38ab9db |
hex | 26e71a1 |
40792481 has 4 divisors (see below), whose sum is σ = 41401392. Its totient is φ = 40183572.
The previous prime is 40792447. The next prime is 40792517. The reversal of 40792481 is 18429704.
40792481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40792481 is a prime.
It is a super-2 number, since 2×407924812 = 3328053012270722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40792421) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 304355 + ... + 304488.
It is an arithmetic number, because the mean of its divisors is an integer number (10350348).
Almost surely, 240792481 is an apocalyptic number.
It is an amenable number.
40792481 is a deficient number, since it is larger than the sum of its proper divisors (608911).
40792481 is an equidigital number, since it uses as much as digits as its factorization.
40792481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 608910.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 40792481 is about 6386.8991693935. The cubic root of 40792481 is about 344.2389750366.
The spelling of 40792481 in words is "forty million, seven hundred ninety-two thousand, four hundred eighty-one".
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