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42270794 = 231681787
BaseRepresentation
bin1010000101000…
…0000001001010
32221112120121222
42201100001022
541310131134
64110002042
71022203316
oct241200112
987476558
1042270794
1121951745
12121a6322
1389b0307
145884b46
153a9ea2e
hex285004a

42270794 has 8 divisors (see below), whose sum is σ = 65451648. Its totient is φ = 20453580.

The previous prime is 42270793. The next prime is 42270799. The reversal of 42270794 is 49707224.

It is a happy number.

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 (42270793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340832 + ... + 340955.

It is an arithmetic number, because the mean of its divisors is an integer number (8181456).

Almost surely, 242270794 is an apocalyptic number.

42270794 is a deficient number, since it is larger than the sum of its proper divisors (23180854).

42270794 is a wasteful number, since it uses less digits than its factorization.

42270794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681820.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42270794 is about 6501.5993417005. The cubic root of 42270794 is about 348.3481179799.

The spelling of 42270794 in words is "forty-two million, two hundred seventy thousand, seven hundred ninety-four".

Divisors: 1 2 31 62 681787 1363574 21135397 42270794