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2142698 = 21071349
BaseRepresentation
bin1000001011000111101010
311000212020012
420023013222
51022031243
6113531522
724132635
oct10130752
94025205
102142698
111233928
12873ba2
135a038c
143dac1c
152c4d18
hex20b1ea

2142698 has 4 divisors (see below), whose sum is σ = 3214050. Its totient is φ = 1071348.

The previous prime is 2142691. The next prime is 2142713. The reversal of 2142698 is 8962412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 444889 = 1303^2 + 667^2 .

It is not an unprimeable number, because it can be changed into a prime (2142691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535673 + ... + 535676.

22142698 is an apocalyptic number.

2142698 is a deficient number, since it is larger than the sum of its proper divisors (1071352).

2142698 is a wasteful number, since it uses less digits than its factorization.

2142698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071351.

The product of its digits is 6912, while the sum is 32.

The square root of 2142698 is about 1463.7957507795. The cubic root of 2142698 is about 128.9200072945.

The spelling of 2142698 in words is "two million, one hundred forty-two thousand, six hundred ninety-eight".

Divisors: 1 2 1071349 2142698