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1842074 = 21370849
BaseRepresentation
bin111000001101110011010
310110120211222
413001232122
5432421244
6103252042
721441323
oct7015632
93416758
101842074
111048a83
1274a022
134c65b0
1435d44a
15265bee
hex1c1b9a

1842074 has 8 divisors (see below), whose sum is σ = 2975700. Its totient is φ = 850176.

The previous prime is 1842073. The next prime is 1842079. The reversal of 1842074 is 4702481.

It can be written as a sum of positive squares in 2 ways, for example, as 1841449 + 625 = 1357^2 + 25^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 70849 = 1842074 / (1 + 8 + 4 + 2 + 0 + 7 + 4).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35399 + ... + 35450.

21842074 is an apocalyptic number.

1842074 is a deficient number, since it is larger than the sum of its proper divisors (1133626).

1842074 is a wasteful number, since it uses less digits than its factorization.

1842074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70864.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1842074 is about 1357.2302678617. The cubic root of 1842074 is about 122.5845369553.

The spelling of 1842074 in words is "one million, eight hundred forty-two thousand, seventy-four".

Divisors: 1 2 13 26 70849 141698 921037 1842074