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485980691 = 7531309921
BaseRepresentation
bin11100111101110…
…111101000010011
31020212110101011212
4130331313220103
51443402340231
6120120130335
715020524220
oct3475675023
91225411155
10485980691
1122a361539
121169069ab
13798b6c51
1448786947
152c9e942b
hex1cf77a13

485980691 has 8 divisors (see below), whose sum is σ = 565886304. Its totient is φ = 408695040.

The previous prime is 485980669. The next prime is 485980721. The reversal of 485980691 is 196089584.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 485980691 - 210 = 485979667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485980601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654590 + ... + 655331.

It is an arithmetic number, because the mean of its divisors is an integer number (70735788).

Almost surely, 2485980691 is an apocalyptic number.

485980691 is a deficient number, since it is larger than the sum of its proper divisors (79905613).

485980691 is a wasteful number, since it uses less digits than its factorization.

485980691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309981.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 485980691 is about 22044.9697436853. The cubic root of 485980691 is about 786.2120058006.

The spelling of 485980691 in words is "four hundred eighty-five million, nine hundred eighty thousand, six hundred ninety-one".

Divisors: 1 7 53 371 1309921 9169447 69425813 485980691