Search a number
-
+
57699028 = 2214424757
BaseRepresentation
bin1101110000011…
…0101011010100
311000120102012001
43130012223110
5104232332103
65420405044
71300301512
oct334065324
9130512161
1057699028
112a62a152
12173a6784
13bc5284a
14793d4b2
1550eb01d
hex3706ad4

57699028 has 6 divisors (see below), whose sum is σ = 100973306. Its totient is φ = 28849512.

The previous prime is 57699023. The next prime is 57699053. The reversal of 57699028 is 82099675.

57699028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 7033104 = 7118^2 + 2652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57699023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7212375 + ... + 7212382.

Almost surely, 257699028 is an apocalyptic number.

It is an amenable number.

57699028 is a deficient number, since it is larger than the sum of its proper divisors (43274278).

57699028 is a wasteful number, since it uses less digits than its factorization.

57699028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14424761 (or 14424759 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 57699028 is about 7595.9876250557. The cubic root of 57699028 is about 386.4169476911.

The spelling of 57699028 in words is "fifty-seven million, six hundred ninety-nine thousand, twenty-eight".

Divisors: 1 2 4 14424757 28849514 57699028