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2142763 = 71916111
BaseRepresentation
bin1000001011001000101011
311000212022121
420023020223
51022032023
6113532111
724133060
oct10131053
94025277
102142763
111233987
12874037
135a040c
143dac67
152c4d5d
hex20b22b

2142763 has 8 divisors (see below), whose sum is σ = 2577920. Its totient is φ = 1739880.

The previous prime is 2142761. The next prime is 2142773. The reversal of 2142763 is 3672412.

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 2142763 - 21 = 2142761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142761) 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, 7923 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (322240).

22142763 is an apocalyptic number.

2142763 is a deficient number, since it is larger than the sum of its proper divisors (435157).

2142763 is a wasteful number, since it uses less digits than its factorization.

2142763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16137.

The product of its digits is 2016, while the sum is 25.

The square root of 2142763 is about 1463.8179531622. The cubic root of 2142763 is about 128.9213109027.

The spelling of 2142763 in words is "two million, one hundred forty-two thousand, seven hundred sixty-three".

Divisors: 1 7 19 133 16111 112777 306109 2142763