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5172187170 = 235172406239
BaseRepresentation
bin1001101000100100…
…10101000000100010
3111100110101022221210
410310102111000202
541043034442140
62213121530550
7242112602613
oct46422250042
914313338853
105172187170
112214623857
1210041a3a56
136457285a7
14370cc3c0a
15204119d80
hex134495022

5172187170 has 16 divisors (see below), whose sum is σ = 12413249280. Its totient is φ = 1379249904.

The previous prime is 5172187147. The next prime is 5172187171. The reversal of 5172187170 is 717812715.

It is not an unprimeable number, because it can be changed into a prime (5172187171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86203090 + ... + 86203149.

It is an arithmetic number, because the mean of its divisors is an integer number (775828080).

Almost surely, 25172187170 is an apocalyptic number.

5172187170 is an abundant number, since it is smaller than the sum of its proper divisors (7241062110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172187170 is a wasteful number, since it uses less digits than its factorization.

5172187170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172406249.

The product of its (nonzero) digits is 27440, while the sum is 39.

The square root of 5172187170 is about 71917.9196723598. The cubic root of 5172187170 is about 1729.3838974686.

Adding to 5172187170 its reverse (717812715), we get a palindrome (5889999885).

The spelling of 5172187170 in words is "five billion, one hundred seventy-two million, one hundred eighty-seven thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 172406239 344812478 517218717 862031195 1034437434 1724062390 2586093585 5172187170