Base | Representation |
---|---|
bin | 10111000011010… |
… | …100011001110100 |
3 | 222221201201201220 |
4 | 113003110121310 |
5 | 1243001332342 |
6 | 102213150340 |
7 | 12404200164 |
oct | 2703243164 |
9 | 887651656 |
10 | 386745972 |
11 | 189342a78 |
12 | a962b3b0 |
13 | 62180892 |
14 | 395145a4 |
15 | 23e465ec |
hex | 170d4674 |
386745972 has 24 divisors (see below), whose sum is σ = 933525600. Its totient is φ = 124469856.
The previous prime is 386745959. The next prime is 386745973. The reversal of 386745972 is 279547683.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386745973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555322 + ... + 556017.
It is an arithmetic number, because the mean of its divisors is an integer number (38896900).
Almost surely, 2386745972 is an apocalyptic number.
It is an amenable number.
386745972 is an abundant number, since it is smaller than the sum of its proper divisors (546779628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386745972 is a wasteful number, since it uses less digits than its factorization.
386745972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111375 (or 1111373 counting only the distinct ones).
The product of its digits is 2540160, while the sum is 51.
The square root of 386745972 is about 19665.8580285733. The cubic root of 386745972 is about 728.5766799863.
The spelling of 386745972 in words is "three hundred eighty-six million, seven hundred forty-five thousand, nine hundred seventy-two".
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