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1230430500 = 223553131941
BaseRepresentation
bin100100101010110…
…1110000100100100
310011202021100100000
41021111232010210
510004442234000
6322032221300
742330325635
oct11125560444
93152240300
101230430500
11581600712
122a409a830
13167bba3b0
14b95b188c
157304c000
hex4956e124

1230430500 has 576 divisors, whose sum is σ = 4674458880. Its totient is φ = 279936000.

The previous prime is 1230430441. The next prime is 1230430501. The reversal of 1230430500 is 50340321.

1230430500 is a `hidden beast` number, since 1 + 230 + 430 + 5 + 0 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1230430501) 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 191 ways as a sum of consecutive naturals, for example, 30010480 + ... + 30010520.

It is an arithmetic number, because the mean of its divisors is an integer number (8115380).

Almost surely, 21230430500 is an apocalyptic number.

1230430500 is a gapful number since it is divisible by the number (10) 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 1230430500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2337229440).

1230430500 is an abundant number, since it is smaller than the sum of its proper divisors (3444028380).

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

1230430500 is a wasteful number, since it uses less digits than its factorization.

1230430500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1230430500 is about 35077.4927838350. The cubic root of 1230430500 is about 1071.5662565916.

Adding to 1230430500 its reverse (50340321), we get a palindrome (1280770821).

The spelling of 1230430500 in words is "one billion, two hundred thirty million, four hundred thirty thousand, five hundred".