Base | Representation |
---|---|
bin | 1001100100010… |
… | …0110100001011 |
3 | 2210111200221011 |
4 | 2121010310023 |
5 | 40233042010 |
6 | 3552024351 |
7 | 665036353 |
oct | 231046413 |
9 | 83450834 |
10 | 40127755 |
11 | 20718638 |
12 | 115320b7 |
13 | 840ca45 |
14 | 5487b63 |
15 | 37c9a8a |
hex | 2644d0b |
40127755 has 8 divisors (see below), whose sum is σ = 50247072. Its totient is φ = 30706368.
The previous prime is 40127741. The next prime is 40127777. The reversal of 40127755 is 55772104.
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 40127755 - 217 = 39996683 is a prime.
It is a super-2 number, since 2×401277552 = 3220473442680050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 174354 + ... + 174583.
It is an arithmetic number, because the mean of its divisors is an integer number (6280884).
Almost surely, 240127755 is an apocalyptic number.
40127755 is a deficient number, since it is larger than the sum of its proper divisors (10119317).
40127755 is a wasteful number, since it uses less digits than its factorization.
40127755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348965.
The product of its (nonzero) digits is 9800, while the sum is 31.
The square root of 40127755 is about 6334.6471882813. The cubic root of 40127755 is about 342.3588990237.
Adding to 40127755 its reverse (55772104), we get a palindrome (95899859).
The spelling of 40127755 in words is "forty million, one hundred twenty-seven thousand, seven hundred fifty-five".
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