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2124131 = 10121031
BaseRepresentation
bin1000000110100101100011
310222220202112
420012211203
51020433011
6113305535
724024542
oct10064543
93886675
102124131
111220989
128652ab
13594aa9
143d4159
152be58b
hex206963

2124131 has 4 divisors (see below), whose sum is σ = 2145264. Its totient is φ = 2103000.

The previous prime is 2124127. The next prime is 2124139. The reversal of 2124131 is 1314212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124131 - 22 = 2124127 is a prime.

It is a super-2 number, since 2×21241312 = 9023865010322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124139) 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, 10415 + ... + 10616.

It is an arithmetic number, because the mean of its divisors is an integer number (536316).

22124131 is an apocalyptic number.

2124131 is a deficient number, since it is larger than the sum of its proper divisors (21133).

2124131 is a wasteful number, since it uses less digits than its factorization.

2124131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132.

The product of its digits is 48, while the sum is 14.

The square root of 2124131 is about 1457.4398786914. The cubic root of 2124131 is about 128.5465520948.

Adding to 2124131 its reverse (1314212), we get a palindrome (3438343).

The spelling of 2124131 in words is "two million, one hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 101 21031 2124131