Base | Representation |
---|---|
bin | 10111001111111… |
… | …000011001101110 |
3 | 1000011221001010110 |
4 | 113033320121232 |
5 | 1244322223100 |
6 | 102411520450 |
7 | 12444164244 |
oct | 2717703156 |
9 | 1004831113 |
10 | 390039150 |
11 | 190192206 |
12 | aa759126 |
13 | 62a647c7 |
14 | 39b30794 |
15 | 24397250 |
hex | 173f866e |
390039150 has 48 divisors (see below), whose sum is σ = 990905328. Its totient is φ = 101472000.
The previous prime is 390039119. The next prime is 390039151. The reversal of 390039150 is 51930093.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390039151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25561 + ... + 37860.
It is an arithmetic number, because the mean of its divisors is an integer number (20643861).
Almost surely, 2390039150 is an apocalyptic number.
390039150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
390039150 is an abundant number, since it is smaller than the sum of its proper divisors (600866178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390039150 is a wasteful number, since it uses less digits than its factorization.
390039150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63477 (or 63472 counting only the distinct ones).
The product of its (nonzero) digits is 3645, while the sum is 30.
The square root of 390039150 is about 19749.4088519125. The cubic root of 390039150 is about 730.6388040687.
The spelling of 390039150 in words is "three hundred ninety million, thirty-nine thousand, one hundred fifty".
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