Base | Representation |
---|---|
bin | 1001100101111… |
… | …10000010110101 |
3 | 12121102022100200 |
4 | 10302332002311 |
5 | 131100021242 |
6 | 11552431113 |
7 | 1664661663 |
oct | 462760265 |
9 | 177368320 |
10 | 80470197 |
11 | 414724a5 |
12 | 22b48499 |
13 | 13896402 |
14 | a989c33 |
15 | 70e804c |
hex | 4cbe0b5 |
80470197 has 12 divisors (see below), whose sum is σ = 123072300. Its totient is φ = 50491008.
The previous prime is 80470183. The next prime is 80470199. The reversal of 80470197 is 79107408.
It can be written as a sum of positive squares in 2 ways, for example, as 74753316 + 5716881 = 8646^2 + 2391^2 .
It is not a de Polignac number, because 80470197 - 28 = 80469941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80470199) 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, 262822 + ... + 263127.
It is an arithmetic number, because the mean of its divisors is an integer number (10256025).
Almost surely, 280470197 is an apocalyptic number.
It is an amenable number.
80470197 is a deficient number, since it is larger than the sum of its proper divisors (42602103).
80470197 is a wasteful number, since it uses less digits than its factorization.
80470197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525972 (or 525969 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 80470197 is about 8970.5182124557. The cubic root of 80470197 is about 431.7294634587.
The spelling of 80470197 in words is "eighty million, four hundred seventy thousand, one hundred ninety-seven".
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