Base | Representation |
---|---|
bin | 1001100100011… |
… | …0000010010101 |
3 | 2210111221210102 |
4 | 2121012002111 |
5 | 40233222012 |
6 | 3552103445 |
7 | 665060060 |
oct | 231060225 |
9 | 83457712 |
10 | 40132757 |
11 | 20721375 |
12 | 11534b85 |
13 | 84120c2 |
14 | 54898d7 |
15 | 37cb2c2 |
hex | 2646095 |
40132757 has 8 divisors (see below), whose sum is σ = 46007232. Its totient is φ = 34293600.
The previous prime is 40132751. The next prime is 40132759. The reversal of 40132757 is 75723104.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40132757 - 218 = 39870613 is a prime.
It is a super-4 number, since 4×401327574 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40132751) 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, 6344 + ... + 10977.
It is an arithmetic number, because the mean of its divisors is an integer number (5750904).
Almost surely, 240132757 is an apocalyptic number.
It is an amenable number.
40132757 is a deficient number, since it is larger than the sum of its proper divisors (5874475).
40132757 is a wasteful number, since it uses less digits than its factorization.
40132757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17659.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 40132757 is about 6335.0419888111. The cubic root of 40132757 is about 342.3731236592.
The spelling of 40132757 in words is "forty million, one hundred thirty-two thousand, seven hundred fifty-seven".
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