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422794080 = 253451719101
BaseRepresentation
bin11001001100110…
…101001101100000
31002110120011110000
4121030311031200
51331213402310
6105541540000
713322455542
oct3114651540
91073504400
10422794080
111a77244a5
12b9714600
1369792717
1440219692
15271b74c0
hex19335360

422794080 has 480 divisors, whose sum is σ = 1679499360. Its totient is φ = 99532800.

The previous prime is 422794039. The next prime is 422794081. The reversal of 422794080 is 80497224.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422794081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4186030 + ... + 4186130.

It is an arithmetic number, because the mean of its divisors is an integer number (3498957).

Almost surely, 2422794080 is an apocalyptic number.

422794080 is a gapful number since it is divisible by the number (40) 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 422794080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839749680).

422794080 is an abundant number, since it is smaller than the sum of its proper divisors (1256705280).

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

422794080 is a wasteful number, since it uses less digits than its factorization.

422794080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 422794080 is about 20561.9571052952. The cubic root of 422794080 is about 750.5442449677.

The spelling of 422794080 in words is "four hundred twenty-two million, seven hundred ninety-four thousand, eighty".