Search a number
-
+
5420649 = 3131311061
BaseRepresentation
bin10100101011011001101001
3101012101201210
4110223121221
52341430044
6312103333
764034433
oct24533151
911171653
105420649
113072683
121994b49
13117a3b0
14a11653
157211b9
hex52b669

5420649 has 16 divisors (see below), whose sum is σ = 7850304. Its totient is φ = 3307200.

The previous prime is 5420633. The next prime is 5420669. The reversal of 5420649 is 9460245.

It is not a de Polignac number, because 5420649 - 24 = 5420633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5420669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4579 + ... + 5639.

It is an arithmetic number, because the mean of its divisors is an integer number (490644).

Almost surely, 25420649 is an apocalyptic number.

It is an amenable number.

5420649 is a deficient number, since it is larger than the sum of its proper divisors (2429655).

5420649 is a wasteful number, since it uses less digits than its factorization.

5420649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 5420649 is about 2328.2287258772. The cubic root of 5420649 is about 175.6644022398.

The spelling of 5420649 in words is "five million, four hundred twenty thousand, six hundred forty-nine".

Divisors: 1 3 13 39 131 393 1061 1703 3183 5109 13793 41379 138991 416973 1806883 5420649