Base | Representation |
---|---|
bin | 10000010010101010000101 |
3 | 22000222100000 |
4 | 100102222011 |
5 | 2043130400 |
6 | 231311513 |
7 | 51205044 |
oct | 20225205 |
9 | 8028300 |
10 | 4270725 |
11 | 2457728 |
12 | 151b599 |
13 | b66b74 |
14 | 7d255b |
15 | 595600 |
hex | 412a85 |
4270725 has 72 divisors (see below), whose sum is σ = 8575840. Its totient is φ = 2099520.
The previous prime is 4270703. The next prime is 4270727. The reversal of 4270725 is 5270724.
It is not a de Polignac number, because 4270725 - 212 = 4266629 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4270727) 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, 115407 + ... + 115443.
Almost surely, 24270725 is an apocalyptic number.
4270725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4270725 is an abundant number, since it is smaller than the sum of its proper divisors (4305115).
4270725 is a wasteful number, since it uses less digits than its factorization.
4270725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81 (or 64 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 27.
The square root of 4270725 is about 2066.5732505769. The cubic root of 4270725 is about 162.2434610926.
Subtracting 4270725 from its reverse (5270724), we obtain a palindrome (999999).
The spelling of 4270725 in words is "four million, two hundred seventy thousand, seven hundred twenty-five".
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