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2142982 = 22294679
BaseRepresentation
bin1000001011001100000110
311000212121201
420023030012
51022033412
6113533114
724133522
oct10131406
94025551
102142982
111234066
1287419a
135a054a
143dad82
152c4e57
hex20b306

2142982 has 8 divisors (see below), whose sum is σ = 3229200. Its totient is φ = 1066584.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2142982 is 2892412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2142982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (403650).

22142982 is an apocalyptic number.

2142982 is a deficient number, since it is larger than the sum of its proper divisors (1086218).

2142982 is a wasteful number, since it uses less digits than its factorization.

2142982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910.

The product of its digits is 2304, while the sum is 28.

The square root of 2142982 is about 1463.8927556348. The cubic root of 2142982 is about 128.9257028653.

The spelling of 2142982 in words is "two million, one hundred forty-two thousand, nine hundred eighty-two".

Divisors: 1 2 229 458 4679 9358 1071491 2142982