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725552241 = 3317801637
BaseRepresentation
bin101011001111110…
…000110001110001
31212120020212120020
4223033300301301
52441220132431
6155555034053
723660043441
oct5317606161
91776225506
10725552241
11342612157
12182b9b929
13b7417a6b
146c50a121
1543a6d696
hex2b3f0c71

725552241 has 8 divisors (see below), whose sum is σ = 998609664. Its totient is φ = 468098160.

The previous prime is 725552237. The next prime is 725552249. The reversal of 725552241 is 142255527.

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

It is not a de Polignac number, because 725552241 - 22 = 725552237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725552249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900726 + ... + 3900911.

It is an arithmetic number, because the mean of its divisors is an integer number (124826208).

Almost surely, 2725552241 is an apocalyptic number.

It is an amenable number.

725552241 is a deficient number, since it is larger than the sum of its proper divisors (273057423).

725552241 is a wasteful number, since it uses less digits than its factorization.

725552241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801671.

The product of its digits is 28000, while the sum is 33.

The square root of 725552241 is about 26936.0769415296. The cubic root of 725552241 is about 898.5789264835.

The spelling of 725552241 in words is "seven hundred twenty-five million, five hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 3 31 93 7801637 23404911 241850747 725552241