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42035837 = 53793129
BaseRepresentation
bin1010000001011…
…0101001111101
32221002122022212
42200112221331
541230121322
64100550205
71020204314
oct240265175
987078285
1042035837
1121801168
12120b2365
13892a39c
14582327b
153a550e2
hex2816a7d

42035837 has 4 divisors (see below), whose sum is σ = 42829020. Its totient is φ = 41242656.

The previous prime is 42035803. The next prime is 42035839. The reversal of 42035837 is 73853024.

It is a happy number.

42035837 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 2 ways, for example, as 16168441 + 25867396 = 4021^2 + 5086^2 .

It is a cyclic number.

It is not a de Polignac number, because 42035837 - 210 = 42034813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42035839) 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, 396512 + ... + 396617.

It is an arithmetic number, because the mean of its divisors is an integer number (10707255).

Almost surely, 242035837 is an apocalyptic number.

It is an amenable number.

42035837 is a deficient number, since it is larger than the sum of its proper divisors (793183).

42035837 is an equidigital number, since it uses as much as digits as its factorization.

42035837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793182.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42035837 is about 6483.5049934430. The cubic root of 42035837 is about 347.7015017531.

The spelling of 42035837 in words is "forty-two million, thirty-five thousand, eight hundred thirty-seven".

Divisors: 1 53 793129 42035837