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4966581 = 31987133
BaseRepresentation
bin10010111100100010110101
3100100022212110
4102330202311
52232412311
6254241233
760133554
oct22744265
910308773
104966581
112892514
1217b6219
13104b809
14933d9b
156818a6
hex4bc8b5

4966581 has 8 divisors (see below), whose sum is σ = 6970720. Its totient is φ = 3136752.

The previous prime is 4966579. The next prime is 4966613. The reversal of 4966581 is 1856694.

4966581 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4966581 - 21 = 4966579 is a prime.

It is a super-2 number, since 2×49665812 = 49333853659122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4966501) 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, 43510 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (871340).

Almost surely, 24966581 is an apocalyptic number.

It is an amenable number.

4966581 is a deficient number, since it is larger than the sum of its proper divisors (2004139).

4966581 is a wasteful number, since it uses less digits than its factorization.

4966581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87155.

The product of its digits is 51840, while the sum is 39.

The square root of 4966581 is about 2228.5827334878. The cubic root of 4966581 is about 170.6157714822.

The spelling of 4966581 in words is "four million, nine hundred sixty-six thousand, five hundred eighty-one".

Divisors: 1 3 19 57 87133 261399 1655527 4966581