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2130242 = 21961919
BaseRepresentation
bin1000001000000101000010
311000020010212
420020011002
51021131432
6113354122
724051422
oct10100502
94006125
102130242
111225534
12868942
135977ca
143d6482
152c12b2
hex208142

2130242 has 16 divisors (see below), whose sum is σ = 3422400. Its totient is φ = 991440.

The previous prime is 2130241. The next prime is 2130251. The reversal of 2130242 is 2420312.

It is not an unprimeable number, because it can be changed into a prime (2130241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (213900).

22130242 is an apocalyptic number.

2130242 is a deficient number, since it is larger than the sum of its proper divisors (1292158).

2130242 is a wasteful number, since it uses less digits than its factorization.

2130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2130242 is about 1459.5348574118. The cubic root of 2130242 is about 128.6697076906.

Adding to 2130242 its reverse (2420312), we get a palindrome (4550554).

The spelling of 2130242 in words is "two million, one hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 19 38 61 122 919 1159 1838 2318 17461 34922 56059 112118 1065121 2130242