Base | Representation |
---|---|
bin | 1001100100100… |
… | …1110010010110 |
3 | 2210112201212100 |
4 | 2121021302112 |
5 | 40234214433 |
6 | 3552302530 |
7 | 665152623 |
oct | 231116226 |
9 | 83481770 |
10 | 40148118 |
11 | 2073196a |
12 | 11541a46 |
13 | 84190aa |
14 | 549134a |
15 | 37d0b13 |
hex | 2649c96 |
40148118 has 24 divisors (see below), whose sum is σ = 92105208. Its totient is φ = 12595392.
The previous prime is 40148117. The next prime is 40148123. The reversal of 40148118 is 81184104.
It is a super-2 number, since 2×401481182 = 3223742757883848, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40148091 and 40148100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40148113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65296 + ... + 65907.
It is an arithmetic number, because the mean of its divisors is an integer number (3837717).
Almost surely, 240148118 is an apocalyptic number.
40148118 is an abundant number, since it is smaller than the sum of its proper divisors (51957090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40148118 is a wasteful number, since it uses less digits than its factorization.
40148118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131228 (or 131225 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 40148118 is about 6336.2542562621. The cubic root of 40148118 is about 342.4167997242.
The spelling of 40148118 in words is "forty million, one hundred forty-eight thousand, one hundred eighteen".
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