Search a number
-
+
57473969 = 729319133
BaseRepresentation
bin1101101100111…
…1101110110001
311000010222110112
43123033232301
5104203131334
65411511105
71265343410
oct333175661
9130128415
1057473969
112a496053
12172b8495
13bba4287
1478c1477
1550a44ce
hex36cfbb1

57473969 has 16 divisors (see below), whose sum is σ = 70149120. Its totient is φ = 46025280.

The previous prime is 57473959. The next prime is 57473989. The reversal of 57473969 is 96937475.

It is not a de Polignac number, because 57473969 - 24 = 57473953 is a prime.

It is a super-2 number, since 2×574739692 = 6606514225225922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57473909) 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 in 15 ways as a sum of consecutive naturals, for example, 1727 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (4384320).

Almost surely, 257473969 is an apocalyptic number.

It is an amenable number.

57473969 is a deficient number, since it is larger than the sum of its proper divisors (12675151).

57473969 is a wasteful number, since it uses less digits than its factorization.

57473969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200.

The product of its digits is 1428840, while the sum is 50.

The square root of 57473969 is about 7581.1588164343. The cubic root of 57473969 is about 385.9138778037.

The spelling of 57473969 in words is "fifty-seven million, four hundred seventy-three thousand, nine hundred sixty-nine".

Divisors: 1 7 29 31 203 217 899 6293 9133 63931 264857 283123 1853999 1981861 8210567 57473969