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5020121 = 43116747
BaseRepresentation
bin10011001001100111011001
3100110001022102
4103021213121
52241120441
6255333145
760445631
oct23114731
910401272
105020121
112919767
1218211b5
131069cb2
149496c1
1569269b
hex4c99d9

5020121 has 4 divisors (see below), whose sum is σ = 5136912. Its totient is φ = 4903332.

The previous prime is 5020111. The next prime is 5020129. The reversal of 5020121 is 1210205.

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 5020121 - 214 = 5003737 is a prime.

It is a super-2 number, since 2×50201212 = 50403229709282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5020129) 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, 58331 + ... + 58416.

It is an arithmetic number, because the mean of its divisors is an integer number (1284228).

Almost surely, 25020121 is an apocalyptic number.

It is an amenable number.

5020121 is a deficient number, since it is larger than the sum of its proper divisors (116791).

5020121 is a wasteful number, since it uses less digits than its factorization.

5020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116790.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 5020121 is about 2240.5626525496. The cubic root of 5020121 is about 171.2266638420.

Adding to 5020121 its reverse (1210205), we get a palindrome (6230326).

The spelling of 5020121 in words is "five million, twenty thousand, one hundred twenty-one".

Divisors: 1 43 116747 5020121