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4342661 = 5381937
BaseRepresentation
bin10000100100001110000101
322011122000022
4100210032011
52102431121
6233024525
751624551
oct20441605
98148008
104342661
1124a6784
121555145
13b9082b
14810861
155abaab
hex424385

4342661 has 4 divisors (see below), whose sum is σ = 4424652. Its totient is φ = 4260672.

The previous prime is 4342649. The next prime is 4342687. The reversal of 4342661 is 1662434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1662434 = 2831217.

It can be written as a sum of positive squares in 2 ways, for example, as 3330625 + 1012036 = 1825^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342661 - 210 = 4341637 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4342661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342631) 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, 40916 + ... + 41021.

It is an arithmetic number, because the mean of its divisors is an integer number (1106163).

Almost surely, 24342661 is an apocalyptic number.

It is an amenable number.

4342661 is a deficient number, since it is larger than the sum of its proper divisors (81991).

4342661 is an equidigital number, since it uses as much as digits as its factorization.

4342661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81990.

The product of its digits is 3456, while the sum is 26.

The square root of 4342661 is about 2083.9052281714. The cubic root of 4342661 is about 163.1493355844.

The spelling of 4342661 in words is "four million, three hundred forty-two thousand, six hundred sixty-one".

Divisors: 1 53 81937 4342661