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2124143 = 71915971
BaseRepresentation
bin1000000110100101101111
310222220202222
420012211233
51020433033
6113305555
724024560
oct10064557
93886688
102124143
11122099a
128652bb
13594ab8
143d4167
152be598
hex20696f

2124143 has 8 divisors (see below), whose sum is σ = 2555520. Its totient is φ = 1724760.

The previous prime is 2124139. The next prime is 2124149. The reversal of 2124143 is 3414212.

2124143 is digitally balanced in base 2, 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 2124143 - 22 = 2124139 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 (2124149) 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 7 ways as a sum of consecutive naturals, for example, 7853 + ... + 8118.

It is an arithmetic number, because the mean of its divisors is an integer number (319440).

22124143 is an apocalyptic number.

2124143 is a deficient number, since it is larger than the sum of its proper divisors (431377).

2124143 is a wasteful number, since it uses less digits than its factorization.

2124143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15997.

The product of its digits is 192, while the sum is 17.

The square root of 2124143 is about 1457.4439954935. The cubic root of 2124143 is about 128.5467941633.

Adding to 2124143 its reverse (3414212), we get a palindrome (5538355).

The spelling of 2124143 in words is "two million, one hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 7 19 133 15971 111797 303449 2124143