Search a number
-
+
5440215 = 351132971
BaseRepresentation
bin10100110000001011010111
3101020101120110
4110300023113
52343041330
6312334103
764145454
oct24601327
911211513
105440215
113086350
1219a4333
131186281
14a1882b
15726db0
hex5302d7

5440215 has 16 divisors (see below), whose sum is σ = 9495936. Its totient is φ = 2637600.

The previous prime is 5440189. The next prime is 5440217. The reversal of 5440215 is 5120445.

It is not a de Polignac number, because 5440215 - 27 = 5440087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5440191 and 5440200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440217) 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 15 ways as a sum of consecutive naturals, for example, 16321 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (593496).

Almost surely, 25440215 is an apocalyptic number.

5440215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5440215 is a deficient number, since it is larger than the sum of its proper divisors (4055721).

5440215 is a wasteful number, since it uses less digits than its factorization.

5440215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32990.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5440215 is about 2332.4268477275. The cubic root of 5440215 is about 175.8755038126.

The spelling of 5440215 in words is "five million, four hundred forty thousand, two hundred fifteen".

Divisors: 1 3 5 11 15 33 55 165 32971 98913 164855 362681 494565 1088043 1813405 5440215