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5561420 = 225278071
BaseRepresentation
bin10101001101110001001100
3101110112211112
4111031301030
52410431140
6315111152
765162024
oct25156114
911415745
105561420
113159417
121a424b8
1311c94a7
14a4aa84
1574cc65
hex54dc4c

5561420 has 12 divisors (see below), whose sum is σ = 11679024. Its totient is φ = 2224560.

The previous prime is 5561419. The next prime is 5561429. The reversal of 5561420 is 241655.

It is not an unprimeable number, because it can be changed into a prime (5561429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139016 + ... + 139055.

It is an arithmetic number, because the mean of its divisors is an integer number (973252).

Almost surely, 25561420 is an apocalyptic number.

It is an amenable number.

5561420 is an abundant number, since it is smaller than the sum of its proper divisors (6117604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561420 is a wasteful number, since it uses less digits than its factorization.

5561420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278080 (or 278078 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5561420 is about 2358.2663123574. The cubic root of 5561420 is about 177.1720586367.

The spelling of 5561420 in words is "five million, five hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 278071 556142 1112284 1390355 2780710 5561420