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486995231 = 2916792939
BaseRepresentation
bin11101000001101…
…111010100011111
31020221100220212102
4131001233110133
51444132321411
6120153555315
715032251112
oct3501572437
91227326772
10486995231
1122a9947a8
12117115b3b
1379b80978
144896c579
152cb49d3b
hex1d06f51f

486995231 has 4 divisors (see below), whose sum is σ = 503788200. Its totient is φ = 470202264.

The previous prime is 486995219. The next prime is 486995281. The reversal of 486995231 is 132599684.

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 486995231 - 218 = 486733087 is a prime.

It is a super-2 number, since 2×4869952312 = 474328710033486722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486995281) 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, 8396441 + ... + 8396498.

It is an arithmetic number, because the mean of its divisors is an integer number (125947050).

Almost surely, 2486995231 is an apocalyptic number.

486995231 is a deficient number, since it is larger than the sum of its proper divisors (16792969).

486995231 is a wasteful number, since it uses less digits than its factorization.

486995231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16792968.

The product of its digits is 466560, while the sum is 47.

The square root of 486995231 is about 22067.9684384404. The cubic root of 486995231 is about 786.7587278746.

The spelling of 486995231 in words is "four hundred eighty-six million, nine hundred ninety-five thousand, two hundred thirty-one".

Divisors: 1 29 16792939 486995231