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725250485 = 5145050097
BaseRepresentation
bin101011001110100…
…111000110110101
31212112200112122002
4223032213012311
52441131003420
6155544345045
723654345621
oct5316470665
91775615562
10725250485
11342426473
12182a75185
13b73405cb
146c46c181
1543a0e075
hex2b3a71b5

725250485 has 4 divisors (see below), whose sum is σ = 870300588. Its totient is φ = 580200384.

The previous prime is 725250469. The next prime is 725250521. The reversal of 725250485 is 584052527.

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 477597316 + 247653169 = 21854^2 + 15737^2 .

It is a cyclic number.

It is not a de Polignac number, because 725250485 - 24 = 725250469 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72525044 + ... + 72525053.

It is an arithmetic number, because the mean of its divisors is an integer number (217575147).

Almost surely, 2725250485 is an apocalyptic number.

It is an amenable number.

725250485 is a deficient number, since it is larger than the sum of its proper divisors (145050103).

725250485 is a wasteful number, since it uses less digits than its factorization.

725250485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145050102.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 725250485 is about 26930.4750236605. The cubic root of 725250485 is about 898.4543367038.

The spelling of 725250485 in words is "seven hundred twenty-five million, two hundred fifty thousand, four hundred eighty-five".

Divisors: 1 5 145050097 725250485