Base | Representation |
---|---|
bin | 1001110001010… |
… | …1010101110011 |
3 | 2212010002120020 |
4 | 2130111111303 |
5 | 40442410000 |
6 | 4022214523 |
7 | 1005224454 |
oct | 234252563 |
9 | 85102506 |
10 | 40981875 |
11 | 21151320 |
12 | 11884443 |
13 | 864b73c |
14 | 562b12b |
15 | 38e7ba0 |
hex | 2715573 |
40981875 has 40 divisors (see below), whose sum is σ = 74526144. Its totient is φ = 19860000.
The previous prime is 40981819. The next prime is 40981877. The reversal of 40981875 is 57818904.
It is not a de Polignac number, because 40981875 - 212 = 40977779 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40981877) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19632 + ... + 21618.
Almost surely, 240981875 is an apocalyptic number.
40981875 is a deficient number, since it is larger than the sum of its proper divisors (33544269).
40981875 is a wasteful number, since it uses less digits than its factorization.
40981875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2021 (or 2006 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 42.
The square root of 40981875 is about 6401.7087562619. The cubic root of 40981875 is about 344.7709044046.
The spelling of 40981875 in words is "forty million, nine hundred eighty-one thousand, eight hundred seventy-five".
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