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725230422 = 2347639533
BaseRepresentation
bin101011001110100…
…010001101010110
31212112122112010000
4223032202031112
52441124333142
6155544112130
723654233260
oct5316421526
91775575100
10725230422
11342412394
12182a65646
13b7334437
146c464b30
1543a0814c
hex2b3a2356

725230422 has 40 divisors (see below), whose sum is σ = 1857206736. Its totient is φ = 207208368.

The previous prime is 725230397. The next prime is 725230433. The reversal of 725230422 is 224032527.

725230422 is a `hidden beast` number, since 7 + 2 + 5 + 230 + 422 = 666.

725230422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 318633 + ... + 320900.

Almost surely, 2725230422 is an apocalyptic number.

725230422 is an abundant number, since it is smaller than the sum of its proper divisors (1131976314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725230422 is a wasteful number, since it uses less digits than its factorization.

725230422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639554 (or 639545 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 725230422 is about 26930.1025248698. The cubic root of 725230422 is about 898.4460518165.

Adding to 725230422 its reverse (224032527), we get a palindrome (949262949).

The spelling of 725230422 in words is "seven hundred twenty-five million, two hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 639533 1279066 1918599 3837198 4476731 5755797 8953462 11511594 13430193 17267391 26860386 34534782 40290579 51802173 80581158 103604346 120871737 241743474 362615211 725230422