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485286989 = 11311423129
BaseRepresentation
bin11100111011001…
…110010001001101
31020211011010121012
4130323032101031
51443213140424
6120053215005
715011604605
oct3473162115
91224133535
10485286989
11229a28330
12116631465
1379703285
1448645c05
152c90db0e
hex1cece44d

485286989 has 8 divisors (see below), whose sum is σ = 546481920. Its totient is φ = 426938400.

The previous prime is 485286937. The next prime is 485287003. The reversal of 485286989 is 989682584.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-485286989 is a prime.

It is a super-2 number, since 2×4852869892 = 471006923385372242, 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 (485286289) 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, 711224 + ... + 711905.

It is an arithmetic number, because the mean of its divisors is an integer number (68310240).

Almost surely, 2485286989 is an apocalyptic number.

It is an amenable number.

485286989 is a deficient number, since it is larger than the sum of its proper divisors (61194931).

485286989 is a wasteful number, since it uses less digits than its factorization.

485286989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423171.

The product of its digits is 9953280, while the sum is 59.

The square root of 485286989 is about 22029.2303315390. The cubic root of 485286989 is about 785.8377408955.

The spelling of 485286989 in words is "four hundred eighty-five million, two hundred eighty-six thousand, nine hundred eighty-nine".

Divisors: 1 11 31 341 1423129 15654419 44116999 485286989