Base | Representation |
---|---|
bin | 1001010101000… |
… | …0000000001000 |
3 | 2201121202102002 |
4 | 2111100000020 |
5 | 40004000000 |
6 | 3514330132 |
7 | 653362025 |
oct | 225200010 |
9 | 81552362 |
10 | 39125000 |
11 | 200a3212 |
12 | 11129948 |
13 | 814b4b5 |
14 | 52a654c |
15 | 367c8d5 |
hex | 2550008 |
39125000 has 56 divisors (see below), whose sum is σ = 91991010. Its totient is φ = 15600000.
The previous prime is 39124999. The next prime is 39125003. The reversal of 39125000 is 52193.
It can be written as a sum of positive squares in 7 ways, for example, as 33200644 + 5924356 = 5762^2 + 2434^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (39125003) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124844 + ... + 125156.
Almost surely, 239125000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45995505).
39125000 is an abundant number, since it is smaller than the sum of its proper divisors (52866010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39125000 is an frugal number, since it uses more digits than its factorization.
39125000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349 (or 320 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 20.
The square root of 39125000 is about 6254.9980015984. The cubic root of 39125000 is about 339.4830668219.
Adding to 39125000 its reverse (52193), we get a palindrome (39177193).
The spelling of 39125000 in words is "thirty-nine million, one hundred twenty-five thousand".
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