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485206649 = 4618091301
BaseRepresentation
bin11100111010111…
…010101001111001
31020211000001101122
4130322322221321
51443203103044
6120051355025
715011121434
oct3472725171
91224001348
10485206649
11229982a34
121165b2a75
13796a5835
144862481b
152c8e4dee
hex1cebaa79

485206649 has 8 divisors (see below), whose sum is σ = 487234440. Its totient is φ = 483184000.

The previous prime is 485206621. The next prime is 485206661. The reversal of 485206649 is 946602584.

It can be written as a sum of positive squares in 4 ways, for example, as 9966649 + 475240000 = 3157^2 + 21800^2 .

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 485206649 - 224 = 468429433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485206549) 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, 372299 + ... + 373599.

It is an arithmetic number, because the mean of its divisors is an integer number (60904305).

Almost surely, 2485206649 is an apocalyptic number.

It is an amenable number.

485206649 is a deficient number, since it is larger than the sum of its proper divisors (2027791).

485206649 is a wasteful number, since it uses less digits than its factorization.

485206649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 485206649 is about 22027.4067697494. The cubic root of 485206649 is about 785.7943729573.

The spelling of 485206649 in words is "four hundred eighty-five million, two hundred six thousand, six hundred forty-nine".

Divisors: 1 461 809 1301 372949 599761 1052509 485206649