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2141992 = 23267749
BaseRepresentation
bin1000001010111100101000
311000211021001
420022330220
51022020432
6113524344
724130606
oct10127450
94024231
102141992
111233346
128736b4
1359cc68
143da876
152c49e7
hex20af28

2141992 has 8 divisors (see below), whose sum is σ = 4016250. Its totient is φ = 1070992.

The previous prime is 2141987. The next prime is 2142001. The reversal of 2141992 is 2991412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 51076 = 1446^2 + 226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2141992.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133867 + ... + 133882.

22141992 is an apocalyptic number.

It is an amenable number.

2141992 is a deficient number, since it is larger than the sum of its proper divisors (1874258).

2141992 is a wasteful number, since it uses less digits than its factorization.

2141992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267755 (or 267751 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 2141992 is about 1463.5545770486. The cubic root of 2141992 is about 128.9058464058.

The spelling of 2141992 in words is "two million, one hundred forty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 267749 535498 1070996 2141992