Base | Representation |
---|---|
bin | 1000010111111… |
… | …01100011011001 |
3 | 11220011210102201 |
4 | 10023331203121 |
5 | 120440311234 |
6 | 10545330201 |
7 | 1512032443 |
oct | 413754331 |
9 | 156153381 |
10 | 70244569 |
11 | 3671886a |
12 | 1b636961 |
13 | 11725c45 |
14 | 9487493 |
15 | 6278314 |
hex | 42fd8d9 |
70244569 has 2 divisors, whose sum is σ = 70244570. Its totient is φ = 70244568.
The previous prime is 70244567. The next prime is 70244597. The reversal of 70244569 is 96544207.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66634569 + 3610000 = 8163^2 + 1900^2 .
It is a cyclic number.
It is not a de Polignac number, because 70244569 - 21 = 70244567 is a prime.
It is a super-2 number, since 2×702445692 = 9868598947991522, which contains 22 as substring.
Together with 70244567, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70244567) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35122284 + 35122285.
It is an arithmetic number, because the mean of its divisors is an integer number (35122285).
Almost surely, 270244569 is an apocalyptic number.
It is an amenable number.
70244569 is a deficient number, since it is larger than the sum of its proper divisors (1).
70244569 is an equidigital number, since it uses as much as digits as its factorization.
70244569 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 70244569 is about 8381.2033145605. The cubic root of 70244569 is about 412.6079428561.
The spelling of 70244569 in words is "seventy million, two hundred forty-four thousand, five hundred sixty-nine".
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