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42276842 = 221138421
BaseRepresentation
bin1010000101000…
…1011111101010
32221112212220222
42201101133222
541310324332
64110050042
71022230046
oct241213752
987485828
1042276842
1121956243
12121a9922
1389b2caa
145887026
153aa1712
hex28517ea

42276842 has 4 divisors (see below), whose sum is σ = 63415266. Its totient is φ = 21138420.

The previous prime is 42276833. The next prime is 42276907. The reversal of 42276842 is 24867224.

It is a happy number.

42276842 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 can be written as a sum of positive squares in only one way, i.e., 41589601 + 687241 = 6449^2 + 829^2 .

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 as a sum of consecutive naturals, namely, 10569209 + ... + 10569212.

Almost surely, 242276842 is an apocalyptic number.

42276842 is a deficient number, since it is larger than the sum of its proper divisors (21138424).

42276842 is a wasteful number, since it uses less digits than its factorization.

42276842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21138423.

The product of its digits is 43008, while the sum is 35.

The square root of 42276842 is about 6502.0644413909. The cubic root of 42276842 is about 348.3647307815.

The spelling of 42276842 in words is "forty-two million, two hundred seventy-six thousand, eight hundred forty-two".

Divisors: 1 2 21138421 42276842