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471286117 = 2691751993
BaseRepresentation
bin11100000101110…
…100000101100101
31012211210211000101
4130011310011211
51431122123432
6114433144101
714451603001
oct3405640545
91184724011
10471286117
11222035265
121119bb031
1376840633
144683d701
152b5954e7
hex1c174165

471286117 has 4 divisors (see below), whose sum is σ = 473038380. Its totient is φ = 469533856.

The previous prime is 471286037. The next prime is 471286139. The reversal of 471286117 is 711682174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77422401 + 393863716 = 8799^2 + 19846^2 .

It is a cyclic number.

It is not a de Polignac number, because 471286117 - 211 = 471284069 is a prime.

It is a super-2 number, since 2×4712861172 = 444221208153875378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471286147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875728 + ... + 876265.

It is an arithmetic number, because the mean of its divisors is an integer number (118259595).

Almost surely, 2471286117 is an apocalyptic number.

It is an amenable number.

471286117 is a deficient number, since it is larger than the sum of its proper divisors (1752263).

471286117 is a wasteful number, since it uses less digits than its factorization.

471286117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752262.

The product of its digits is 18816, while the sum is 37.

The square root of 471286117 is about 21709.1252011683. The cubic root of 471286117 is about 778.2065506524.

The spelling of 471286117 in words is "four hundred seventy-one million, two hundred eighty-six thousand, one hundred seventeen".

Divisors: 1 269 1751993 471286117