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4066769 = 7472263
BaseRepresentation
bin1111100000110111010001
321122121120002
433200313101
52020114034
6223055345
746365320
oct17406721
97577502
104066769
112328473
121441555
13ac5095
1477c0b7
15554e7e
hex3e0dd1

4066769 has 12 divisors (see below), whose sum is σ = 4766784. Its totient is φ = 3398664.

The previous prime is 4066759. The next prime is 4066789. The reversal of 4066769 is 9676604.

It is not a de Polignac number, because 4066769 - 212 = 4062673 is a prime.

It is a super-2 number, since 2×40667692 = 33077220198722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4066709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15332 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (397232).

Almost surely, 24066769 is an apocalyptic number.

It is an amenable number.

4066769 is a deficient number, since it is larger than the sum of its proper divisors (700015).

4066769 is an equidigital number, since it uses as much as digits as its factorization.

4066769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 4066769 is about 2016.6231675749. The cubic root of 4066769 is about 159.6184790047.

The spelling of 4066769 in words is "four million, sixty-six thousand, seven hundred sixty-nine".

Divisors: 1 7 47 263 329 1841 2209 12361 15463 86527 580967 4066769