Base | Representation |
---|---|
bin | 11110000010011000001001 |
3 | 112211001011202 |
4 | 132002120021 |
5 | 4003432212 |
6 | 440433545 |
7 | 123633302 |
oct | 36023011 |
9 | 15731152 |
10 | 7874057 |
11 | 4498994 |
12 | 27788b5 |
13 | 1829009 |
14 | 108d7a9 |
15 | a580c2 |
hex | 782609 |
7874057 has 2 divisors, whose sum is σ = 7874058. Its totient is φ = 7874056.
The previous prime is 7874047. The next prime is 7874059. The reversal of 7874057 is 7504787.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4145296 + 3728761 = 2036^2 + 1931^2 .
It is an emirp because it is prime and its reverse (7504787) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7874057 - 214 = 7857673 is a prime.
Together with 7874059, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7874057.
It is not a weakly prime, because it can be changed into another prime (7874059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937028 + 3937029.
It is an arithmetic number, because the mean of its divisors is an integer number (3937029).
Almost surely, 27874057 is an apocalyptic number.
It is an amenable number.
7874057 is a deficient number, since it is larger than the sum of its proper divisors (1).
7874057 is an equidigital number, since it uses as much as digits as its factorization.
7874057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54880, while the sum is 38.
The square root of 7874057 is about 2806.0750168162. The cubic root of 7874057 is about 198.9449188060.
The spelling of 7874057 in words is "seven million, eight hundred seventy-four thousand, fifty-seven".
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