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5220381 = 32935939
BaseRepresentation
bin10011111010100000011101
3100211020000110
4103322200131
52314023011
6303520233
762241525
oct23724035
910736013
105220381
112a46171
1218b9079
13110a1aa
1499c685
156d1ba6
hex4fa81d

5220381 has 8 divisors (see below), whose sum is σ = 6985440. Its totient is φ = 3467792.

The previous prime is 5220361. The next prime is 5220389. The reversal of 5220381 is 1830225.

5220381 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5220381 - 214 = 5203997 is a prime.

It is a super-2 number, since 2×52203812 = 54504755570322, which contains 22 as substring.

5220381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 25220381 is an apocalyptic number.

It is an amenable number.

5220381 is a deficient number, since it is larger than the sum of its proper divisors (1765059).

5220381 is a wasteful number, since it uses less digits than its factorization.

5220381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5220381 is about 2284.8153098227. The cubic root of 5220381 is about 173.4738698340.

The spelling of 5220381 in words is "five million, two hundred twenty thousand, three hundred eighty-one".

Divisors: 1 3 293 879 5939 17817 1740127 5220381