Search a number
-
+
725394485 = 51105713121
BaseRepresentation
bin101011001111001…
…010010000110101
31212112221212011102
4223033022100311
52441200110420
6155551415445
723655515504
oct5317122065
91775855142
10725394485
11342514682
12182b24585
13b739100a
146c4a883b
1543a3ba75
hex2b3ca435

725394485 has 8 divisors (see below), whose sum is σ = 870618456. Its totient is φ = 580218880.

The previous prime is 725394469. The next prime is 725394491. The reversal of 725394485 is 584493527.

725394485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1623076 + 723771409 = 1274^2 + 26903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 725394485 - 24 = 725394469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48725 + ... + 61845.

It is an arithmetic number, because the mean of its divisors is an integer number (108827307).

Almost surely, 2725394485 is an apocalyptic number.

It is an amenable number.

725394485 is a deficient number, since it is larger than the sum of its proper divisors (145223971).

725394485 is a wasteful number, since it uses less digits than its factorization.

725394485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24183.

The product of its digits is 1209600, while the sum is 47.

The square root of 725394485 is about 26933.1484420221. The cubic root of 725394485 is about 898.5137960976.

The spelling of 725394485 in words is "seven hundred twenty-five million, three hundred ninety-four thousand, four hundred eighty-five".

Divisors: 1 5 11057 13121 55285 65605 145078897 725394485