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1930042 = 26191559
BaseRepresentation
bin111010111001100111010
310122001112001
413113030322
5443230132
6105211214
722255642
oct7271472
93561461
101930042
1110a9084
12790b0a
1352764a
14383522
15281ce7
hex1d733a

1930042 has 8 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 962844.

The previous prime is 1930021. The next prime is 1930043. The reversal of 1930042 is 2400391.

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

It is not an unprimeable number, because it can be changed into a prime (1930043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

21930042 is an apocalyptic number.

1930042 is a deficient number, since it is larger than the sum of its proper divisors (971558).

1930042 is a wasteful number, since it uses less digits than its factorization.

1930042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1930042 is about 1389.2595149935. The cubic root of 1930042 is about 124.5056098718.

The spelling of 1930042 in words is "one million, nine hundred thirty thousand, forty-two".

Divisors: 1 2 619 1238 1559 3118 965021 1930042