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430442000 = 2453373577
BaseRepresentation
bin11001101010000…
…000011000010000
31002222221201102022
4121222000120100
51340143121000
6110413511012
713444460642
oct3152003020
91088851368
10430442000
11200a7849a
121001a2468
136b23c811
144124a892
1527bc8585
hex19a80610

430442000 has 80 divisors (see below), whose sum is σ = 1045407792. Its totient is φ = 171417600.

The previous prime is 430441943. The next prime is 430442009. The reversal of 430442000 is 244034.

It can be written as a sum of positive squares in 8 ways, for example, as 22886656 + 407555344 = 4784^2 + 20188^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 430442000.

It is not an unprimeable number, because it can be changed into a prime (430442009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745712 + ... + 746288.

Almost surely, 2430442000 is an apocalyptic number.

430442000 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 430442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522703896).

430442000 is an abundant number, since it is smaller than the sum of its proper divisors (614965792).

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

430442000 is a wasteful number, since it uses less digits than its factorization.

430442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 430442000 is about 20747.0961823577. The cubic root of 430442000 is about 755.0427588607.

Adding to 430442000 its reverse (244034), we get a palindrome (430686034).

The spelling of 430442000 in words is "four hundred thirty million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 373 400 500 577 746 1000 1154 1492 1865 2000 2308 2885 2984 3730 4616 5770 5968 7460 9232 9325 11540 14425 14920 18650 23080 28850 29840 37300 46160 46625 57700 72125 74600 93250 115400 144250 149200 186500 215221 230800 288500 373000 430442 577000 746000 860884 1076105 1154000 1721768 2152210 3443536 4304420 5380525 8608840 10761050 17217680 21522100 26902625 43044200 53805250 86088400 107610500 215221000 430442000