Base | Representation |
---|---|
bin | 1001010111001… |
… | …1011010001110 |
3 | 2201220010100120 |
4 | 2111303122032 |
5 | 40023120110 |
6 | 3521405410 |
7 | 654534612 |
oct | 225633216 |
9 | 81803316 |
10 | 39270030 |
11 | 20192178 |
12 | 11199866 |
13 | 819c507 |
14 | 5303342 |
15 | 36aa870 |
hex | 257368e |
39270030 has 32 divisors (see below), whose sum is σ = 94483584. Its totient is φ = 10445856.
The previous prime is 39270019. The next prime is 39270037. The reversal of 39270030 is 3007293.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39270037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12609 + ... + 15411.
It is an arithmetic number, because the mean of its divisors is an integer number (2952612).
Almost surely, 239270030 is an apocalyptic number.
39270030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
39270030 is an abundant number, since it is smaller than the sum of its proper divisors (55213554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39270030 is a wasteful number, since it uses less digits than its factorization.
39270030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3280.
The product of its (nonzero) digits is 1134, while the sum is 24.
The square root of 39270030 is about 6266.5804072077. The cubic root of 39270030 is about 339.9020190561.
The spelling of 39270030 in words is "thirty-nine million, two hundred seventy thousand, thirty".
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