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8625428448 = 2537213178297
BaseRepresentation
bin10000000100001110…
…11001011111100000
3211021010021011102220
420002013121133200
5120131102202243
63543520511040
7423513634500
oct100207313740
924233234386
108625428448
11372691406a
12180877b480
13a75ca2c20
145bb78da00
1535738c783
hex2021d97e0

8625428448 has 288 divisors, whose sum is σ = 30036502944. Its totient is φ = 2140766208.

The previous prime is 8625428389. The next prime is 8625428453. The reversal of 8625428448 is 8448245268.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 8625428448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035436 + ... + 1043732.

It is an arithmetic number, because the mean of its divisors is an integer number (104293413).

Almost surely, 28625428448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8625428448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15018251472).

8625428448 is an abundant number, since it is smaller than the sum of its proper divisors (21411074496).

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

8625428448 is a wasteful number, since it uses less digits than its factorization.

8625428448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354 (or 8339 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 51.

The square root of 8625428448 is about 92873.1847628798. The cubic root of 8625428448 is about 2050.8169219260.

The spelling of 8625428448 in words is "eight billion, six hundred twenty-five million, four hundred twenty-eight thousand, four hundred forty-eight".