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507107025 = 325217233569
BaseRepresentation
bin11110001110011…
…101011011010001
31022100012201001200
4132032131123101
52014304411100
6122153021413
715365224065
oct3616353321
91270181050
10507107025
11240281017
121219b4869
13810a2c39
144b4c5aa5
152e7bde00
hex1e39d6d1

507107025 has 72 divisors (see below), whose sum is σ = 967538520. Its totient is φ = 253009920.

The previous prime is 507106949. The next prime is 507107039. The reversal of 507107025 is 520701705.

It can be written as a sum of positive squares in 12 ways, for example, as 225270081 + 281836944 = 15009^2 + 16788^2 .

It is not a de Polignac number, because 507107025 - 29 = 507106513 is a prime.

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 507107025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 890941 + ... + 891509.

It is an arithmetic number, because the mean of its divisors is an integer number (13438035).

Almost surely, 2507107025 is an apocalyptic number.

It is an amenable number.

507107025 is a deficient number, since it is larger than the sum of its proper divisors (460431495).

507107025 is a wasteful number, since it uses less digits than its factorization.

507107025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 507107025 is about 22519.0369465481. The cubic root of 507107025 is about 797.4434140595.

The spelling of 507107025 in words is "five hundred seven million, one hundred seven thousand, twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 153 225 233 255 425 569 699 765 1165 1275 1707 2097 2845 3495 3825 3961 5121 5825 8535 9673 10485 11883 14225 17475 19805 25605 29019 35649 42675 48365 52425 59415 87057 99025 128025 132577 145095 178245 241825 297075 397731 435285 662885 725475 891225 1193193 1988655 2176425 2253809 3314425 5965965 6761427 9943275 11269045 20284281 29829825 33807135 56345225 101421405 169035675 507107025