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430420545 = 3259564901
BaseRepresentation
bin11001101001111…
…011001001000001
31002222220121222200
4121221323021001
51340141424140
6110413223413
713444341252
oct3151731101
91088817880
10430420545
11200a63365
12100191b69
136b232b19
1441242b29
1527bc2030
hex19a7b241

430420545 has 12 divisors (see below), whose sum is σ = 746062356. Its totient is φ = 229557600.

The previous prime is 430420511. The next prime is 430420553. The reversal of 430420545 is 545024034.

It can be written as a sum of positive squares in 2 ways, for example, as 182169009 + 248251536 = 13497^2 + 15756^2 .

It is not a de Polignac number, because 430420545 - 211 = 430418497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4782406 + ... + 4782495.

It is an arithmetic number, because the mean of its divisors is an integer number (62171863).

Almost surely, 2430420545 is an apocalyptic number.

430420545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

430420545 is a deficient number, since it is larger than the sum of its proper divisors (315641811).

430420545 is a wasteful number, since it uses less digits than its factorization.

430420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564912 (or 9564909 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 430420545 is about 20746.5791156036. The cubic root of 430420545 is about 755.0302138399.

Adding to 430420545 its reverse (545024034), we get a palindrome (975444579).

The spelling of 430420545 in words is "four hundred thirty million, four hundred twenty thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 9564901 28694703 47824505 86084109 143473515 430420545