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42161467 = 82351229
BaseRepresentation
bin1010000011010…
…1010100111011
32221100000122211
42200311110323
541243131332
64103355551
71021236505
oct240652473
987300584
1042161467
1121887597
1212152bb7
13897261a
145856d75
153a7c447
hex283553b

42161467 has 4 divisors (see below), whose sum is σ = 42213520. Its totient is φ = 42109416.

The previous prime is 42161453. The next prime is 42161473. The reversal of 42161467 is 76416124.

42161467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42161467 - 211 = 42159419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42161477) 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, 24792 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (10553380).

Almost surely, 242161467 is an apocalyptic number.

42161467 is a deficient number, since it is larger than the sum of its proper divisors (52053).

42161467 is an equidigital number, since it uses as much as digits as its factorization.

42161467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52052.

The product of its digits is 8064, while the sum is 31.

The square root of 42161467 is about 6493.1861978539. The cubic root of 42161467 is about 348.0475421681.

The spelling of 42161467 in words is "forty-two million, one hundred sixty-one thousand, four hundred sixty-seven".

Divisors: 1 823 51229 42161467