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1430622133 = 12637113209
BaseRepresentation
bin101010101000101…
…1000111110110101
310200200222010121221
41111101120332311
510412214402013
6353543110341
750311042003
oct12521307665
93620863557
101430622133
11674604646
1233b1423b1
1319a510995
14d8003a73
15858e308d
hex55458fb5

1430622133 has 4 divisors (see below), whose sum is σ = 1430747980. Its totient is φ = 1430496288.

The previous prime is 1430622091. The next prime is 1430622181. The reversal of 1430622133 is 3312260341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 619910404 + 810711729 = 24898^2 + 28473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1430622133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1430622098 and 1430622107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430622433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43968 + ... + 69241.

It is an arithmetic number, because the mean of its divisors is an integer number (357686995).

Almost surely, 21430622133 is an apocalyptic number.

It is an amenable number.

1430622133 is a deficient number, since it is larger than the sum of its proper divisors (125847).

1430622133 is a wasteful number, since it uses less digits than its factorization.

1430622133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125846.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1430622133 is about 37823.5658419457. The cubic root of 1430622133 is about 1126.7865298037.

Adding to 1430622133 its reverse (3312260341), we get a palindrome (4742882474).

The spelling of 1430622133 in words is "one billion, four hundred thirty million, six hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 12637 113209 1430622133