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430135820 = 225191112601
BaseRepresentation
bin11001101000110…
…101101000001100
31002222101011102022
4121220311220030
51340103321240
6110403145312
713442044202
oct3150655014
91088334368
10430135820
11200889454
12100075238
136b16334a
14411ab072
1527b679b5
hex19a35a0c

430135820 has 24 divisors (see below), whose sum is σ = 908022528. Its totient is φ = 171152000.

The previous prime is 430135793. The next prime is 430135829. The reversal of 430135820 is 28531034.

It is a self number, because there is not a number n which added to its sum of digits gives 430135820.

It is not an unprimeable number, because it can be changed into a prime (430135829) 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 7 ways as a sum of consecutive naturals, for example, 52481 + ... + 60120.

It is an arithmetic number, because the mean of its divisors is an integer number (37834272).

Almost surely, 2430135820 is an apocalyptic number.

It is an amenable number.

430135820 is an abundant number, since it is smaller than the sum of its proper divisors (477886708).

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

430135820 is a wasteful number, since it uses less digits than its factorization.

430135820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112801 (or 112799 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 430135820 is about 20739.7160057702. The cubic root of 430135820 is about 754.8636918960.

Adding to 430135820 its reverse (28531034), we get a palindrome (458666854).

The spelling of 430135820 in words is "four hundred thirty million, one hundred thirty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 112601 225202 450404 563005 1126010 2252020 21506791 43013582 86027164 107533955 215067910 430135820