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4917287 = 5392779
BaseRepresentation
bin10010110000100000100111
3100020211020202
4102300200213
52224323122
6253221115
756540054
oct22604047
910224222
104917287
112859481
12179179b
13103224b
1492002b
15671e92
hex4b0827

4917287 has 4 divisors (see below), whose sum is σ = 5010120. Its totient is φ = 4824456.

The previous prime is 4917277. The next prime is 4917329. The reversal of 4917287 is 7827194.

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

It is a cyclic number.

It is not a de Polignac number, because 4917287 - 218 = 4655143 is a prime.

It is a super-2 number, since 2×49172872 = 48359422880738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4917287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46337 + ... + 46442.

It is an arithmetic number, because the mean of its divisors is an integer number (1252530).

Almost surely, 24917287 is an apocalyptic number.

4917287 is a deficient number, since it is larger than the sum of its proper divisors (92833).

4917287 is an equidigital number, since it uses as much as digits as its factorization.

4917287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92832.

The product of its digits is 28224, while the sum is 38.

The square root of 4917287 is about 2217.4956595222. The cubic root of 4917287 is about 170.0494319917.

The spelling of 4917287 in words is "four million, nine hundred seventeen thousand, two hundred eighty-seven".

Divisors: 1 53 92779 4917287