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5285212087 = 43472615147
BaseRepresentation
bin1001110110000010…
…11110111110110111
3111122100001120222211
410323001132332313
541311003241322
62232240234251
7244654363411
oct47301367667
914570046884
105285212087
112272401081
12103600b987
13662c7c73c
14381d059b1
1520dee3b77
hex13b05efb7

5285212087 has 8 divisors (see below), whose sum is σ = 5523192576. Its totient is φ = 5052462072.

The previous prime is 5285212057. The next prime is 5285212091. The reversal of 5285212087 is 7802125825.

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 5285212087 - 219 = 5284687799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285212057) 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, 1305553 + ... + 1309594.

It is an arithmetic number, because the mean of its divisors is an integer number (690399072).

Almost surely, 25285212087 is an apocalyptic number.

5285212087 is a deficient number, since it is larger than the sum of its proper divisors (237980489).

5285212087 is a wasteful number, since it uses less digits than its factorization.

5285212087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615237.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 5285212087 is about 72699.4641452054. The cubic root of 5285212087 is about 1741.8903231939.

The spelling of 5285212087 in words is "five billion, two hundred eighty-five million, two hundred twelve thousand, eighty-seven".

Divisors: 1 43 47 2021 2615147 112451321 122911909 5285212087