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4520005 = 57219971
BaseRepresentation
bin10001001111100001000101
322111122021121
4101033201011
52124120010
6240513541
753263600
oct21174105
98448247
104520005
112607a46
12161b8b1
13c23479
14859337
155e43da
hex44f845

4520005 has 24 divisors (see below), whose sum is σ = 6648480. Its totient is φ = 2933280.

The previous prime is 4520003. The next prime is 4520023. The reversal of 4520005 is 5000254.

It is a happy number.

It is not a de Polignac number, because 4520005 - 21 = 4520003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

Almost surely, 24520005 is an apocalyptic number.

It is an amenable number.

4520005 is a deficient number, since it is larger than the sum of its proper divisors (2128475).

4520005 is a wasteful number, since it uses less digits than its factorization.

4520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4520005 is about 2126.0303384477. The cubic root of 4520005 is about 165.3406491553.

Adding to 4520005 its reverse (5000254), we get a palindrome (9520259).

Subtracting 4520005 from its reverse (5000254), we obtain a square (480249 = 6932).

The spelling of 4520005 in words is "four million, five hundred twenty thousand, five".

Divisors: 1 5 7 19 35 49 95 133 245 665 931 971 4655 4855 6797 18449 33985 47579 92245 129143 237895 645715 904001 4520005