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425302020 = 22325111323141
BaseRepresentation
bin11001010110011…
…001100000000100
31002122021120200200
4121112121200010
51332334131040
6110111410500
713353002403
oct3126314004
91078246620
10425302020
111a9087780
12ba523a30
136a160100
14406ad63a
1527510630
hex19599804

425302020 has 432 divisors, whose sum is σ = 1611477504. Its totient is φ = 89856000.

The previous prime is 425302019. The next prime is 425302021. The reversal of 425302020 is 20203524.

It is an interprime number because it is at equal distance from previous prime (425302019) and next prime (425302021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 425301984 and 425302002.

It is not an unprimeable number, because it can be changed into a prime (425302021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10373200 + ... + 10373240.

It is an arithmetic number, because the mean of its divisors is an integer number (3730272).

Almost surely, 2425302020 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 425302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805738752).

425302020 is an abundant number, since it is smaller than the sum of its proper divisors (1186175484).

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

425302020 is a wasteful number, since it uses less digits than its factorization.

425302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 425302020 is about 20622.8518881361. The cubic root of 425302020 is about 752.0253523405.

Adding to 425302020 its reverse (20203524), we get a palindrome (445505544).

The spelling of 425302020 in words is "four hundred twenty-five million, three hundred two thousand, twenty".