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4861669 = 25718917
BaseRepresentation
bin10010100010111011100101
3100010222221211
4102202323211
52221033134
6252111421
756215651
oct22427345
910128854
104861669
11282070a
121765571
131012b37
14907a61
15660764
hex4a2ee5

4861669 has 4 divisors (see below), whose sum is σ = 4880844. Its totient is φ = 4842496.

The previous prime is 4861667. The next prime is 4861673. The reversal of 4861669 is 9661684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4464769 + 396900 = 2113^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 4861669 - 21 = 4861667 is a prime.

It is a super-2 number, since 2×48616692 = 47271650931122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9202 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (1220211).

Almost surely, 24861669 is an apocalyptic number.

It is an amenable number.

4861669 is a deficient number, since it is larger than the sum of its proper divisors (19175).

4861669 is a wasteful number, since it uses less digits than its factorization.

4861669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19174.

The product of its digits is 62208, while the sum is 40.

The square root of 4861669 is about 2204.9192728987. The cubic root of 4861669 is about 169.4058729687.

The spelling of 4861669 in words is "four million, eight hundred sixty-one thousand, six hundred sixty-nine".

Divisors: 1 257 18917 4861669