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485891958 = 2380981993
BaseRepresentation
bin11100111101100…
…001111101110110
31020212021212110110
4130331201331312
51443342020313
6120114203450
715020004426
oct3475417566
91225255413
10485891958
1122a300902
12116883586
1379885746
1448762486
152c9ccec3
hex1cf61f76

485891958 has 8 divisors (see below), whose sum is σ = 971783928. Its totient is φ = 161963984.

The previous prime is 485891953. The next prime is 485891981. The reversal of 485891958 is 859198584.

It is a sphenic number, since it is the product of 3 distinct primes.

485891958 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 485891898 and 485891907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485891953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40490991 + ... + 40491002.

It is an arithmetic number, because the mean of its divisors is an integer number (121472991).

Almost surely, 2485891958 is an apocalyptic number.

485891958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485891958 is a wasteful number, since it uses less digits than its factorization.

485891958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80981998.

The product of its digits is 4147200, while the sum is 57.

The square root of 485891958 is about 22042.9571065227. The cubic root of 485891958 is about 786.1641525988.

The spelling of 485891958 in words is "four hundred eighty-five million, eight hundred ninety-one thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 80981993 161963986 242945979 485891958