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2143330 = 25767457
BaseRepresentation
bin1000001011010001100010
311000220002121
420023101202
51022041310
6113534454
724134530
oct10132142
94026077
102143330
111234352
1287442a
135a0757
143db150
152c50da
hex20b462

2143330 has 32 divisors (see below), whose sum is σ = 4484736. Its totient is φ = 722304.

The previous prime is 2143319. The next prime is 2143331. The reversal of 2143330 is 333412.

It is not an unprimeable number, because it can be changed into a prime (2143331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4462 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (140148).

22143330 is an apocalyptic number.

2143330 is an abundant number, since it is smaller than the sum of its proper divisors (2341406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143330 is a wasteful number, since it uses less digits than its factorization.

2143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2143330 is about 1464.0116119758. The cubic root of 2143330 is about 128.9326812590.

Adding to 2143330 its reverse (333412), we get a palindrome (2476742).

The spelling of 2143330 in words is "two million, one hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 457 469 670 914 938 2285 2345 3199 4570 4690 6398 15995 30619 31990 61238 153095 214333 306190 428666 1071665 2143330