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430355053 = 2631636331
BaseRepresentation
bin11001101001101…
…011001001101101
31002222210022011001
4121221223021231
51340132330203
6110412000301
713443646312
oct3151531155
91088708131
10430355053
11200a19137
12100160091
136b20c07b
1441226d09
1527bac91d
hex19a6b26d

430355053 has 4 divisors (see below), whose sum is σ = 431991648. Its totient is φ = 428718460.

The previous prime is 430355039. The next prime is 430355089. The reversal of 430355053 is 350553034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-430355053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430355033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817903 + ... + 818428.

It is an arithmetic number, because the mean of its divisors is an integer number (107997912).

Almost surely, 2430355053 is an apocalyptic number.

It is an amenable number.

430355053 is a deficient number, since it is larger than the sum of its proper divisors (1636595).

430355053 is a wasteful number, since it uses less digits than its factorization.

430355053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636594.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 430355053 is about 20745.0006748614. Note that the first 3 decimals coincide. The cubic root of 430355053 is about 754.9919172270.

Subtracting from 430355053 its sum of digits (28), we obtain a square (430355025 = 207452).

The spelling of 430355053 in words is "four hundred thirty million, three hundred fifty-five thousand, fifty-three".

Divisors: 1 263 1636331 430355053