Base | Representation |
---|---|
bin | 11101011111001111001101 |
3 | 112112201201221 |
4 | 131133033031 |
5 | 3434331000 |
6 | 433403341 |
7 | 122463544 |
oct | 35371715 |
9 | 15481657 |
10 | 7730125 |
11 | 43aa837 |
12 | 2709551 |
13 | 17a8650 |
14 | 105315b |
15 | a2a61a |
hex | 75f3cd |
7730125 has 32 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 5544000.
The previous prime is 7730123. The next prime is 7730147. The reversal of 7730125 is 5210377.
It is not a de Polignac number, because 7730125 - 21 = 7730123 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 7730125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7730123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108840 + ... + 108910.
It is an arithmetic number, because the mean of its divisors is an integer number (334152).
Almost surely, 27730125 is an apocalyptic number.
It is an amenable number.
7730125 is a deficient number, since it is larger than the sum of its proper divisors (2962739).
7730125 is a wasteful number, since it uses less digits than its factorization.
7730125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 7730125 is about 2780.3102344882. The cubic root of 7730125 is about 197.7252677185.
The spelling of 7730125 in words is "seven million, seven hundred thirty thousand, one hundred twenty-five".
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