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487134666 = 23227063037
BaseRepresentation
bin11101000010010…
…001010111001010
31020221122000010200
4131002101113022
51444201302131
6120200553030
715033401454
oct3502212712
91227560120
10487134666
1122aa7a537
12117182776
1379bcc285
14489a72d4
152cb762e6
hex1d0915ca

487134666 has 12 divisors (see below), whose sum is σ = 1055458482. Its totient is φ = 162378216.

The previous prime is 487134629. The next prime is 487134667. The reversal of 487134666 is 666431784.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 487129041 + 5625 = 22071^2 + 75^2 .

It is not an unprimeable number, because it can be changed into a prime (487134667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13531501 + ... + 13531536.

Almost surely, 2487134666 is an apocalyptic number.

487134666 is an abundant number, since it is smaller than the sum of its proper divisors (568323816).

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

487134666 is a wasteful number, since it uses less digits than its factorization.

487134666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27063045 (or 27063042 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 487134666 is about 22071.1274292910. The cubic root of 487134666 is about 786.8338081684.

The spelling of 487134666 in words is "four hundred eighty-seven million, one hundred thirty-four thousand, six hundred sixty-six".

Divisors: 1 2 3 6 9 18 27063037 54126074 81189111 162378222 243567333 487134666