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5162021 = 43120047
BaseRepresentation
bin10011101100010000100101
3100201020221222
4103230100211
52310141041
6302350125
761606424
oct23542045
910636858
105162021
112a06337
12188b345
1310b9767
149852bb
156be74b
hex4ec425

5162021 has 4 divisors (see below), whose sum is σ = 5282112. Its totient is φ = 5041932.

The previous prime is 5162011. The next prime is 5162063. The reversal of 5162021 is 1202615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5162021 - 210 = 5160997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5162011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59981 + ... + 60066.

It is an arithmetic number, because the mean of its divisors is an integer number (1320528).

Almost surely, 25162021 is an apocalyptic number.

It is an amenable number.

5162021 is a deficient number, since it is larger than the sum of its proper divisors (120091).

5162021 is a wasteful number, since it uses less digits than its factorization.

5162021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120090.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 5162021 is about 2272.0081425910. The cubic root of 5162021 is about 172.8250093296.

Adding to 5162021 its reverse (1202615), we get a palindrome (6364636).

The spelling of 5162021 in words is "five million, one hundred sixty-two thousand, twenty-one".

Divisors: 1 43 120047 5162021