Search a number
-
+
5442220 = 225738873
BaseRepresentation
bin10100110000101010101100
3101020111022201
4110300222230
52343122340
6312351244
764154350
oct24605254
911214281
105442220
113087903
1219a5524
131187164
14a19460
1572779a
hex530aac

5442220 has 24 divisors (see below), whose sum is σ = 13061664. Its totient is φ = 1865856.

The previous prime is 5442197. The next prime is 5442233. The reversal of 5442220 is 222445.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19297 + ... + 19576.

It is an arithmetic number, because the mean of its divisors is an integer number (544236).

Almost surely, 25442220 is an apocalyptic number.

It is an amenable number.

5442220 is an abundant number, since it is smaller than the sum of its proper divisors (7619444).

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

5442220 is a wasteful number, since it uses less digits than its factorization.

5442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38889 (or 38887 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 5442220 is about 2332.8566179686. The cubic root of 5442220 is about 175.8971075589.

Adding to 5442220 its reverse (222445), we get a palindrome (5664665).

It can be divided in two parts, 5 and 442220, that added together give a square (442225 = 6652).

The spelling of 5442220 in words is "five million, four hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 38873 77746 155492 194365 272111 388730 544222 777460 1088444 1360555 2721110 5442220