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4564385 = 57130411
BaseRepresentation
bin10001011010010110100001
322120220011022
4101122112201
52132030020
6241455225
753540150
oct21322641
98526138
104564385
112638321
121641515
13c3a727
1486b597
15602625
hex45a5a1

4564385 has 8 divisors (see below), whose sum is σ = 6259776. Its totient is φ = 3129840.

The previous prime is 4564369. The next prime is 4564387. The reversal of 4564385 is 5834654.

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

It is not a de Polignac number, because 4564385 - 24 = 4564369 is a prime.

It is a super-2 number, since 2×45643852 = 41667220856450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 130411 = 4564385 / (4 + 5 + 6 + 4 + 3 + 8 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4564387) 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, 65171 + ... + 65240.

It is an arithmetic number, because the mean of its divisors is an integer number (782472).

Almost surely, 24564385 is an apocalyptic number.

It is an amenable number.

4564385 is a deficient number, since it is larger than the sum of its proper divisors (1695391).

4564385 is a wasteful number, since it uses less digits than its factorization.

4564385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130423.

The product of its digits is 57600, while the sum is 35.

The square root of 4564385 is about 2136.4421358885. The cubic root of 4564385 is about 165.8800241134.

The spelling of 4564385 in words is "four million, five hundred sixty-four thousand, three hundred eighty-five".

Divisors: 1 5 7 35 130411 652055 912877 4564385