Base | Representation |
---|---|
bin | 1001000110000… |
… | …01101111010001 |
3 | 12022112222121112 |
4 | 10203001233101 |
5 | 124012303100 |
6 | 11323103105 |
7 | 1614314546 |
oct | 443015721 |
9 | 168488545 |
10 | 76291025 |
11 | 3a078638 |
12 | 21671a95 |
13 | 12a62125 |
14 | a1bcbcd |
15 | 6a6eb35 |
hex | 48c1bd1 |
76291025 has 12 divisors (see below), whose sum is σ = 97863900. Its totient is φ = 58927680.
The previous prime is 76291021. The next prime is 76291079. The reversal of 76291025 is 52019267.
It can be written as a sum of positive squares in 6 ways, for example, as 2193361 + 74097664 = 1481^2 + 8608^2 .
It is not a de Polignac number, because 76291025 - 22 = 76291021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 76290982 and 76291000.
It is not an unprimeable number, because it can be changed into a prime (76291021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51890 + ... + 53339.
It is an arithmetic number, because the mean of its divisors is an integer number (8155325).
Almost surely, 276291025 is an apocalyptic number.
It is an amenable number.
76291025 is a deficient number, since it is larger than the sum of its proper divisors (21572875).
76291025 is a wasteful number, since it uses less digits than its factorization.
76291025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105268 (or 105263 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 76291025 is about 8734.4733670668. The cubic root of 76291025 is about 424.1223410609.
The spelling of 76291025 in words is "seventy-six million, two hundred ninety-one thousand, twenty-five".
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