Base | Representation |
---|---|
bin | 1110101001011… |
… | …0101010000001 |
3 | 11021121012021202 |
4 | 3222112222001 |
5 | 111211400442 |
6 | 10032430545 |
7 | 1344120215 |
oct | 352265201 |
9 | 137535252 |
10 | 61434497 |
11 | 31750713 |
12 | 186a8455 |
13 | c95cb97 |
14 | 8232945 |
15 | 55d7c32 |
hex | 3a96a81 |
61434497 has 2 divisors, whose sum is σ = 61434498. Its totient is φ = 61434496.
The previous prime is 61434479. The next prime is 61434539. The reversal of 61434497 is 79443416.
Together with previous prime (61434479) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 56010256 + 5424241 = 7484^2 + 2329^2 .
It is a cyclic number.
It is not a de Polignac number, because 61434497 - 222 = 57240193 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 61434497.
It is not a weakly prime, because it can be changed into another prime (61434407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30717248 + 30717249.
It is an arithmetic number, because the mean of its divisors is an integer number (30717249).
Almost surely, 261434497 is an apocalyptic number.
It is an amenable number.
61434497 is a deficient number, since it is larger than the sum of its proper divisors (1).
61434497 is an equidigital number, since it uses as much as digits as its factorization.
61434497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 38.
The square root of 61434497 is about 7838.0161393046. The cubic root of 61434497 is about 394.5821506687.
The spelling of 61434497 in words is "sixty-one million, four hundred thirty-four thousand, four hundred ninety-seven".
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