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52678317 = 3194122541
BaseRepresentation
bin1100100011110…
…0111010101101
310200010100001210
43020330322231
5101441201232
65121025033
71206521046
oct310747255
9120110053
1052678317
112780aaaa
1215785179
13abb5503
146dd38cd
1549585cc
hex323cead

52678317 has 16 divisors (see below), whose sum is σ = 75741120. Its totient is φ = 32457600.

The previous prime is 52678309. The next prime is 52678337. The reversal of 52678317 is 71387625.

It is not a de Polignac number, because 52678317 - 23 = 52678309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52678337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8934 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (4733820).

Almost surely, 252678317 is an apocalyptic number.

52678317 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52678317 is a deficient number, since it is larger than the sum of its proper divisors (23062803).

52678317 is a wasteful number, since it uses less digits than its factorization.

52678317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604.

The product of its digits is 70560, while the sum is 39.

The square root of 52678317 is about 7257.9829842732. The cubic root of 52678317 is about 374.8670746656.

The spelling of 52678317 in words is "fifty-two million, six hundred seventy-eight thousand, three hundred seventeen".

Divisors: 1 3 19 41 57 123 779 2337 22541 67623 428279 924181 1284837 2772543 17559439 52678317