Search a number
-
+
725953275 = 32528338873
BaseRepresentation
bin101011010001010…
…010101011111011
31212121000020200100
4223101102223323
52441321001100
6200011410443
723663333565
oct5321225373
91777006610
10725953275
11342866493
12183153a23
13b7528468
146c5b2335
1543aec400
hex2b452afb

725953275 has 36 divisors (see below), whose sum is σ = 1315962648. Its totient is φ = 382500480.

The previous prime is 725953271. The next prime is 725953279. The reversal of 725953275 is 572359527.

It is an interprime number because it is at equal distance from previous prime (725953271) and next prime (725953279).

It is not a de Polignac number, because 725953275 - 22 = 725953271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 725953275.

It is not an unprimeable number, because it can be changed into a prime (725953271) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 762 + ... + 38111.

It is an arithmetic number, because the mean of its divisors is an integer number (36554518).

Almost surely, 2725953275 is an apocalyptic number.

725953275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

725953275 is a deficient number, since it is larger than the sum of its proper divisors (590009373).

725953275 is a wasteful number, since it uses less digits than its factorization.

725953275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38972 (or 38964 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 725953275 is about 26943.5200929648. The cubic root of 725953275 is about 898.7444529645.

The spelling of 725953275 in words is "seven hundred twenty-five million, nine hundred fifty-three thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 83 225 249 415 747 1245 2075 3735 6225 18675 38873 116619 194365 349857 583095 971825 1749285 2915475 3226459 8746425 9679377 16132295 29038131 48396885 80661475 145190655 241984425 725953275