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5172807 = 319151601
BaseRepresentation
bin10011101110111001000111
3100201210202110
4103232321013
52311012212
6302512103
761653033
oct23567107
910653673
105172807
112a13452
121895633
1310c1643
149891c3
156c2a3c
hex4eee47

5172807 has 16 divisors (see below), whose sum is σ = 7320320. Its totient is φ = 3240000.

The previous prime is 5172803. The next prime is 5172821. The reversal of 5172807 is 7082715.

It is a happy number.

It is not a de Polignac number, because 5172807 - 22 = 5172803 is a prime.

5172807 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8307 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (457520).

Almost surely, 25172807 is an apocalyptic number.

5172807 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5172807 is a deficient number, since it is larger than the sum of its proper divisors (2147513).

5172807 is a wasteful number, since it uses less digits than its factorization.

5172807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 5172807 is about 2274.3805750138. The cubic root of 5172807 is about 172.9452977284.

The spelling of 5172807 in words is "five million, one hundred seventy-two thousand, eight hundred seven".

Divisors: 1 3 19 57 151 453 601 1803 2869 8607 11419 34257 90751 272253 1724269 5172807