Base | Representation |
---|---|
bin | 1001101001110… |
… | …0101110010110 |
3 | 2211011222212021 |
4 | 2122130232112 |
5 | 40331102310 |
6 | 4003443354 |
7 | 1001066215 |
oct | 232345626 |
9 | 84158767 |
10 | 40487830 |
11 | 20944119 |
12 | 1168655a |
13 | 85078c6 |
14 | 553d07c |
15 | 384b5da |
hex | 269cb96 |
40487830 has 8 divisors (see below), whose sum is σ = 72878112. Its totient is φ = 16195128.
The previous prime is 40487827. The next prime is 40487833. The reversal of 40487830 is 3878404.
It is an interprime number because it is at equal distance from previous prime (40487827) and next prime (40487833).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40487833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024382 + ... + 2024401.
It is an arithmetic number, because the mean of its divisors is an integer number (9109764).
Almost surely, 240487830 is an apocalyptic number.
40487830 is a deficient number, since it is larger than the sum of its proper divisors (32390282).
40487830 is a wasteful number, since it uses less digits than its factorization.
40487830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4048790.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 40487830 is about 6363.0047933347. The cubic root of 40487830 is about 343.3798713636.
The spelling of 40487830 in words is "forty million, four hundred eighty-seven thousand, eight hundred thirty".
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