Base | Representation |
---|---|
bin | 1110001101011101000101 |
3 | 21000020220121 |
4 | 32031131011 |
5 | 1423201000 |
6 | 211501541 |
7 | 43443265 |
oct | 16153505 |
9 | 7006817 |
10 | 3725125 |
11 | 2114818 |
12 | 12b78b1 |
13 | a05721 |
14 | 6cd7a5 |
15 | 4d8b1a |
hex | 38d745 |
3725125 has 16 divisors (see below), whose sum is σ = 4925232. Its totient is φ = 2803200.
The previous prime is 3725119. The next prime is 3725147. The reversal of 3725125 is 5215273.
It can be written as a sum of positive squares in 8 ways, for example, as 1790244 + 1934881 = 1338^2 + 1391^2 .
It is not a de Polignac number, because 3725125 - 27 = 3724997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an Ulam number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3725125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249 + ... + 3001.
It is an arithmetic number, because the mean of its divisors is an integer number (307827).
Almost surely, 23725125 is an apocalyptic number.
It is an amenable number.
3725125 is a deficient number, since it is larger than the sum of its proper divisors (1200107).
3725125 is a wasteful number, since it uses less digits than its factorization.
3725125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1785 (or 1775 counting only the distinct ones).
The product of its digits is 2100, while the sum is 25.
The square root of 3725125 is about 1930.0582892752. The cubic root of 3725125 is about 155.0173411053.
The spelling of 3725125 in words is "three million, seven hundred twenty-five thousand, one hundred twenty-five".
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