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2130233 = 7347877
BaseRepresentation
bin1000001000000100111001
311000020010112
420020010321
51021131413
6113354105
724051410
oct10100471
94006115
102130233
111225526
12868935
135977c1
143d6477
152c12a8
hex208139

2130233 has 8 divisors (see below), whose sum is σ = 2444352. Its totient is φ = 1818576.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130233 is 3320312.

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 2130233 - 26 = 2130169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (305544).

22130233 is an apocalyptic number.

It is an amenable number.

2130233 is a deficient number, since it is larger than the sum of its proper divisors (314119).

2130233 is an equidigital number, since it uses as much as digits as its factorization.

2130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2130233 is about 1459.5317742345. The cubic root of 2130233 is about 128.6695264860.

Adding to 2130233 its reverse (3320312), we get a palindrome (5450545).

The spelling of 2130233 in words is "two million, one hundred thirty thousand, two hundred thirty-three".

Divisors: 1 7 347 877 2429 6139 304319 2130233