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6112021 = 47130043
BaseRepresentation
bin10111010100001100010101
3102111112010011
4113110030111
53031041041
6335000221
7102644206
oct27241425
912445104
106112021
1134a5063
122069071
13135cca6
14b515ad
1580ae81
hex5d4315

6112021 has 4 divisors (see below), whose sum is σ = 6242112. Its totient is φ = 5981932.

The previous prime is 6112009. The next prime is 6112039. The reversal of 6112021 is 1202116.

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 6112021 - 29 = 6111509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6111992 and 6112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6112081) 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 3 ways as a sum of consecutive naturals, for example, 64975 + ... + 65068.

It is an arithmetic number, because the mean of its divisors is an integer number (1560528).

Almost surely, 26112021 is an apocalyptic number.

It is an amenable number.

6112021 is a deficient number, since it is larger than the sum of its proper divisors (130091).

6112021 is a wasteful number, since it uses less digits than its factorization.

6112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130090.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 6112021 is about 2472.2501896046. The cubic root of 6112021 is about 182.8359583845.

Adding to 6112021 its reverse (1202116), we get a palindrome (7314137).

The spelling of 6112021 in words is "six million, one hundred twelve thousand, twenty-one".

Divisors: 1 47 130043 6112021