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42379706 = 244214793
BaseRepresentation
bin1010000110101…
…0100110111010
32221202010000202
42201222212322
541322122311
64112202202
71023135665
oct241524672
987663022
1042379706
1121a16556
1212239362
138a1aa65
1458b26dc
153ac1e3b
hex286a9ba

42379706 has 8 divisors (see below), whose sum is σ = 63597204. Its totient is φ = 21180640.

The previous prime is 42379699. The next prime is 42379751. The reversal of 42379706 is 60797324.

42379706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36421225 + 5958481 = 6035^2 + 2441^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42379706.

It is an unprimeable number.

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, 6446 + ... + 11238.

Almost surely, 242379706 is an apocalyptic number.

42379706 is a deficient number, since it is larger than the sum of its proper divisors (21217498).

42379706 is a wasteful number, since it uses less digits than its factorization.

42379706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 42379706 is about 6509.9697387930. The cubic root of 42379706 is about 348.6470379455.

The spelling of 42379706 in words is "forty-two million, three hundred seventy-nine thousand, seven hundred six".

Divisors: 1 2 4421 4793 8842 9586 21189853 42379706