Base | Representation |
---|---|
bin | 1110000111011111110101 |
3 | 20222000102220 |
4 | 32013133311 |
5 | 1421410400 |
6 | 211152553 |
7 | 43312200 |
oct | 16073765 |
9 | 6860386 |
10 | 3700725 |
11 | 20a8456 |
12 | 12a5759 |
13 | 9c75a2 |
14 | 6c4937 |
15 | 4d17a0 |
hex | 3877f5 |
3700725 has 72 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1572480.
The previous prime is 3700717. The next prime is 3700727. The reversal of 3700725 is 5270073.
It is not a de Polignac number, because 3700725 - 23 = 3700717 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3700695 and 3700704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3700727) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69799 + ... + 69851.
It is an arithmetic number, because the mean of its divisors is an integer number (106020).
Almost surely, 23700725 is an apocalyptic number.
3700725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3700725 is an abundant number, since it is smaller than the sum of its proper divisors (3932715).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3700725 is a wasteful number, since it uses less digits than its factorization.
3700725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 24.
The square root of 3700725 is about 1923.7268517126. The cubic root of 3700725 is about 154.6781389091.
Adding to 3700725 its reverse (5270073), we get a palindrome (8970798).
The spelling of 3700725 in words is "three million, seven hundred thousand, seven hundred twenty-five".
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