Base | Representation |
---|---|
bin | 1001100011100… |
… | …0001101110001 |
3 | 2210102002010200 |
4 | 2120320031301 |
5 | 40224414040 |
6 | 3550545413 |
7 | 664433034 |
oct | 230701561 |
9 | 83362120 |
10 | 40076145 |
11 | 2069288a |
12 | 11508269 |
13 | 83c23c5 |
14 | 547301b |
15 | 37b9630 |
hex | 2638371 |
40076145 has 24 divisors (see below), whose sum is σ = 69786600. Its totient is φ = 21275136.
The previous prime is 40076119. The next prime is 40076171. The reversal of 40076145 is 54167004.
40076145 is a `hidden beast` number, since 40 + 0 + 7 + 614 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (40076119) and next prime (40076171).
It can be written as a sum of positive squares in 4 ways, for example, as 16573041 + 23503104 = 4071^2 + 4848^2 .
It is not a de Polignac number, because 40076145 - 26 = 40076081 is a prime.
It is a super-2 number, since 2×400761452 = 3212194796122050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8361 + ... + 12249.
It is an arithmetic number, because the mean of its divisors is an integer number (2907775).
Almost surely, 240076145 is an apocalyptic number.
40076145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
40076145 is a deficient number, since it is larger than the sum of its proper divisors (29710455).
40076145 is a wasteful number, since it uses less digits than its factorization.
40076145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4129 (or 4126 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 40076145 is about 6330.5722490151. The cubic root of 40076145 is about 342.2120619762.
The spelling of 40076145 in words is "forty million, seventy-six thousand, one hundred forty-five".
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