Base | Representation |
---|---|
bin | 1001101001010… |
… | …0001100110111 |
3 | 2211010012222021 |
4 | 2122110030313 |
5 | 40323443134 |
6 | 4003014011 |
7 | 1000562353 |
oct | 232241467 |
9 | 84105867 |
10 | 40452919 |
11 | 2091a971 |
12 | 1166a307 |
13 | 84c4a50 |
14 | 5530463 |
15 | 38410b4 |
hex | 2694337 |
40452919 has 16 divisors (see below), whose sum is σ = 46144000. Its totient is φ = 35155296.
The previous prime is 40452899. The next prime is 40452953. The reversal of 40452919 is 91925404.
40452919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 40452919 - 213 = 40444727 is a prime.
It is a super-2 number, since 2×404529192 = 3272877311241122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40452959) 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 15 ways as a sum of consecutive naturals, for example, 48742 + ... + 49564.
It is an arithmetic number, because the mean of its divisors is an integer number (2884000).
Almost surely, 240452919 is an apocalyptic number.
40452919 is a deficient number, since it is larger than the sum of its proper divisors (5691081).
40452919 is a wasteful number, since it uses less digits than its factorization.
40452919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1054.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 40452919 is about 6360.2609223207. The cubic root of 40452919 is about 343.2811488433.
The spelling of 40452919 in words is "forty million, four hundred fifty-two thousand, nine hundred nineteen".
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