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485130239 = 1144102749
BaseRepresentation
bin11100111010100…
…111111111111111
31020210212011120122
4130322213333333
51443143131424
6120050005155
715010352606
oct3472477777
91223764518
10485130239
11229930590
121165767bb
1379679b19
1448604a3d
152c8cc45e
hex1cea7fff

485130239 has 4 divisors (see below), whose sum is σ = 529233000. Its totient is φ = 441027480.

The previous prime is 485130223. The next prime is 485130277. The reversal of 485130239 is 932031584.

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

It is a cyclic number.

It is not a de Polignac number, because 485130239 - 24 = 485130223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485130199 and 485130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485130209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22051364 + ... + 22051385.

It is an arithmetic number, because the mean of its divisors is an integer number (132308250).

Almost surely, 2485130239 is an apocalyptic number.

485130239 is a deficient number, since it is larger than the sum of its proper divisors (44102761).

485130239 is a wasteful number, since it uses less digits than its factorization.

485130239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44102760.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 485130239 is about 22025.6722712384. The cubic root of 485130239 is about 785.7531220111.

The spelling of 485130239 in words is "four hundred eighty-five million, one hundred thirty thousand, two hundred thirty-nine".

Divisors: 1 11 44102749 485130239