Base | Representation |
---|---|
bin | 1001000011100… |
… | …1111101011100 |
3 | 2122110220012002 |
4 | 2100321331130 |
5 | 34211024030 |
6 | 3434101432 |
7 | 640606523 |
oct | 220717534 |
9 | 78426162 |
10 | 37986140 |
11 | 1a495605 |
12 | 1087a878 |
13 | 7b4000a |
14 | 508b4ba |
15 | 3505245 |
hex | 2439f5c |
37986140 has 12 divisors (see below), whose sum is σ = 79770936. Its totient is φ = 15194448.
The previous prime is 37986101. The next prime is 37986163. The reversal of 37986140 is 4168973.
It is a junction number, because it is equal to n+sod(n) for n = 37986094 and 37986103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949634 + ... + 949673.
It is an arithmetic number, because the mean of its divisors is an integer number (6647578).
Almost surely, 237986140 is an apocalyptic number.
It is an amenable number.
37986140 is an abundant number, since it is smaller than the sum of its proper divisors (41784796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
37986140 is a wasteful number, since it uses less digits than its factorization.
37986140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1899316 (or 1899314 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 37986140 is about 6163.2897059931. The cubic root of 37986140 is about 336.1566611663.
The spelling of 37986140 in words is "thirty-seven million, nine hundred eighty-six thousand, one hundred forty".
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