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2142674 = 21071337
BaseRepresentation
bin1000001011000111010010
311000212012022
420023013102
51022031144
6113531442
724132602
oct10130722
94025168
102142674
111233906
12873b82
135a0371
143dac02
152c4cee
hex20b1d2

2142674 has 4 divisors (see below), whose sum is σ = 3214014. Its totient is φ = 1071336.

The previous prime is 2142667. The next prime is 2142677. The reversal of 2142674 is 4762412.

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., 1729225 + 413449 = 1315^2 + 643^2 .

It is a d-powerful number, because it can be written as 2 + 1 + 49 + 213 + 63 + 77 + 410 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2142677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535667 + ... + 535670.

22142674 is an apocalyptic number.

2142674 is a deficient number, since it is larger than the sum of its proper divisors (1071340).

2142674 is a wasteful number, since it uses less digits than its factorization.

2142674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071339.

The product of its digits is 2688, while the sum is 26.

The square root of 2142674 is about 1463.7875528915. The cubic root of 2142674 is about 128.9195259556.

The spelling of 2142674 in words is "two million, one hundred forty-two thousand, six hundred seventy-four".

Divisors: 1 2 1071337 2142674