Search a number
-
+
2143137 = 35871217
BaseRepresentation
bin1000001011001110100001
311000212211110
420023032201
51022040022
6113533533
724134133
oct10131641
94025743
102143137
111234197
128742a9
135a0639
143db053
152c500c
hex20b3a1

2143137 has 8 divisors (see below), whose sum is σ = 2864736. Its totient is φ = 1425152.

The previous prime is 2143109. The next prime is 2143147. The reversal of 2143137 is 7313412.

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 2143137 - 26 = 2143073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (358092).

22143137 is an apocalyptic number.

It is an amenable number.

2143137 is a deficient number, since it is larger than the sum of its proper divisors (721599).

2143137 is a wasteful number, since it uses less digits than its factorization.

2143137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its digits is 504, while the sum is 21.

The square root of 2143137 is about 1463.9456957142. The cubic root of 2143137 is about 128.9288111512.

Adding to 2143137 its reverse (7313412), we get a palindrome (9456549).

The spelling of 2143137 in words is "two million, one hundred forty-three thousand, one hundred thirty-seven".

Divisors: 1 3 587 1217 1761 3651 714379 2143137