Base | Representation |
---|---|
bin | 111001111001000… |
… | …000010111100001 |
3 | 2111200120100200222 |
4 | 321321000113201 |
5 | 3442114320100 |
6 | 240213052425 |
7 | 33032306102 |
oct | 7171002741 |
9 | 2450510628 |
10 | 971245025 |
11 | 459273843 |
12 | 231327115 |
13 | 1262acaca |
14 | 92dc43a9 |
15 | 5a401485 |
hex | 39e405e1 |
971245025 has 12 divisors (see below), whose sum is σ = 1207992624. Its totient is φ = 774642000.
The previous prime is 971245007. The next prime is 971245031. The reversal of 971245025 is 520542179.
It is a de Polignac number, because none of the positive numbers 2k-971245025 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50411 + ... + 66960.
It is an arithmetic number, because the mean of its divisors is an integer number (100666052).
Almost surely, 2971245025 is an apocalyptic number.
It is an amenable number.
971245025 is a deficient number, since it is larger than the sum of its proper divisors (236747599).
971245025 is a wasteful number, since it uses less digits than its factorization.
971245025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117712 (or 117707 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 35.
The square root of 971245025 is about 31164.8042669932. The cubic root of 971245025 is about 990.3216398713.
The spelling of 971245025 in words is "nine hundred seventy-one million, two hundred forty-five thousand, twenty-five".
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