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1422801828 = 2233722973127
BaseRepresentation
bin101010011001110…
…0011101110100100
310200011020211012000
41110303203232210
510403214124303
6353103325300
750154421200
oct12463435644
93604224160
101422801828
11670153088
123385b0830
13198a03296
14d6d69b00
1584d9ada3
hex54ce3ba4

1422801828 has 288 divisors, whose sum is σ = 4535193600. Its totient is φ = 384072192.

The previous prime is 1422801817. The next prime is 1422801829. The reversal of 1422801828 is 8281082241.

1422801828 is digitally balanced in base 4, 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 1422801792 and 1422801801.

It is not an unprimeable number, because it can be changed into a prime (1422801829) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11203101 + ... + 11203227.

It is an arithmetic number, because the mean of its divisors is an integer number (15747200).

Almost surely, 21422801828 is an apocalyptic number.

1422801828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422801828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267596800).

1422801828 is an abundant number, since it is smaller than the sum of its proper divisors (3112391772).

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

1422801828 is a wasteful number, since it uses less digits than its factorization.

1422801828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 1422801828 is about 37720.0454400575. The cubic root of 1422801828 is about 1124.7296345852.

The spelling of 1422801828 in words is "one billion, four hundred twenty-two million, eight hundred one thousand, eight hundred twenty-eight".