Search a number
-
+
807125 = 5311587
BaseRepresentation
bin11000101000011010101
31112000011112
43011003111
5201312000
625144405
76601064
oct3050325
91460145
10807125
11501450
1232b105
132234b7
141701db
1510e235
hexc50d5

807125 has 16 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 586000.

The previous prime is 807119. The next prime is 807127. The reversal of 807125 is 521708.

It is a de Polignac number, because none of the positive numbers 2k-807125 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 807125.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 807125.

It is not an unprimeable number, because it can be changed into a prime (807127) 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, 1082 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2807125 is an apocalyptic number.

It is an amenable number.

807125 is a deficient number, since it is larger than the sum of its proper divisors (293611).

807125 is a wasteful number, since it uses less digits than its factorization.

807125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 807125 is about 898.4013579687. The cubic root of 807125 is about 93.1065568629.

The spelling of 807125 in words is "eight hundred seven thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 587 1375 2935 6457 14675 32285 73375 161425 807125