Search a number
-
+
57982669 is a prime number
BaseRepresentation
bin1101110100101…
…1111011001101
311001002211021021
43131023323031
5104320421134
65430434141
71302562453
oct335137315
9131084237
1057982669
112a803268
1217502951
13c021994
1479b49d3
1551550b4
hex374becd

57982669 has 2 divisors, whose sum is σ = 57982670. Its totient is φ = 57982668.

The previous prime is 57982667. The next prime is 57982693. The reversal of 57982669 is 96628975.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34070569 + 23912100 = 5837^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 57982669 - 21 = 57982667 is a prime.

It is a super-2 number, since 2×579826692 = 6723979808727122, which contains 22 as substring.

Together with 57982667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57982667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28991334 + 28991335.

It is an arithmetic number, because the mean of its divisors is an integer number (28991335).

Almost surely, 257982669 is an apocalyptic number.

It is an amenable number.

57982669 is a deficient number, since it is larger than the sum of its proper divisors (1).

57982669 is an equidigital number, since it uses as much as digits as its factorization.

57982669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 57982669 is about 7614.6351849580. The cubic root of 57982669 is about 387.0491049558.

The spelling of 57982669 in words is "fifty-seven million, nine hundred eighty-two thousand, six hundred sixty-nine".