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52840317 = 3149118211
BaseRepresentation
bin1100100110010…
…0011101111101
310200102120021210
43021210131331
5102011342232
65124315033
71211064255
oct311443575
9120376253
1052840317
1127910792
1215842a79
13ac4117a
147036965
15498b5cc
hex326477d

52840317 has 8 divisors (see below), whose sum is σ = 70927200. Its totient is φ = 34990160.

The previous prime is 52840313. The next prime is 52840331. The reversal of 52840317 is 71304825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52840317 - 22 = 52840313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58659 + ... + 59552.

It is an arithmetic number, because the mean of its divisors is an integer number (8865900).

Almost surely, 252840317 is an apocalyptic number.

It is an amenable number.

52840317 is a deficient number, since it is larger than the sum of its proper divisors (18086883).

52840317 is a wasteful number, since it uses less digits than its factorization.

52840317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118363.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 52840317 is about 7269.1345427086. The cubic root of 52840317 is about 375.2509537995.

The spelling of 52840317 in words is "fifty-two million, eight hundred forty thousand, three hundred seventeen".

Divisors: 1 3 149 447 118211 354633 17613439 52840317