Search a number
825630448 = 24234154721
BaseRepresentation
bin110001001101100…
…001111011110000
32010112120101001111
4301031201323300
53142330133243
6213532043104
726313512566
oct6115417360
92115511044
10825630448
11394057415
121b0603494
13102088036
147b91ba36
154c73b39d
hex31361ef0

825630448 has 40 divisors (see below), whose sum is σ = 1709953056. Its totient is φ = 385228800.

The previous prime is 825630439. The next prime is 825630457. The reversal of 825630448 is 844036528.

825630448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (825630439) and next prime (825630457).

It is a self number, because there is not a number n which added to its sum of digits gives 825630448.

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, 12273 + ... + 42448.

Almost surely, 2825630448 is an apocalyptic number.

It is an amenable number.

825630448 is an abundant number, since it is smaller than the sum of its proper divisors (884322608).

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

825630448 is a wasteful number, since it uses less digits than its factorization.

825630448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54793 (or 54787 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 825630448 is about 28733.7858278369. The cubic root of 825630448 is about 938.1275719337.

The spelling of 825630448 in words is "eight hundred twenty-five million, six hundred thirty thousand, four hundred forty-eight".