Search a number
-
+
725994385 = 5409935423
BaseRepresentation
bin101011010001011…
…100101110010001
31212121002100001221
4223101130232101
52441323310020
6200012325041
723663564464
oct5321345621
91777070057
10725994385
11342894366
12183173781
13b754109c
146c5c32db
1543b096aa
hex2b45cb91

725994385 has 8 divisors (see below), whose sum is σ = 871430400. Its totient is φ = 580637424.

The previous prime is 725994361. The next prime is 725994403. The reversal of 725994385 is 583499527.

725994385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 725994385 - 221 = 723897233 is a prime.

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, 2784 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (108928800).

Almost surely, 2725994385 is an apocalyptic number.

It is an amenable number.

725994385 is a deficient number, since it is larger than the sum of its proper divisors (145436015).

725994385 is a wasteful number, since it uses less digits than its factorization.

725994385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39527.

The product of its digits is 2721600, while the sum is 52.

The square root of 725994385 is about 26944.2829743157. The cubic root of 725994385 is about 898.7614176408.

The spelling of 725994385 in words is "seven hundred twenty-five million, nine hundred ninety-four thousand, three hundred eighty-five".

Divisors: 1 5 4099 20495 35423 177115 145198877 725994385