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42025838 = 2123716987
BaseRepresentation
bin1010000001010…
…0001101101110
32221002010121112
42200110031232
541224311323
64100432022
71020133211
oct240241556
987063545
1042025838
11217a46a8
12120a8612
13892597a
14581d778
153a52178
hex281436e

42025838 has 8 divisors (see below), whose sum is σ = 63093432. Its totient is φ = 20994696.

The previous prime is 42025831. The next prime is 42025871. The reversal of 42025838 is 83852024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (7886679).

Almost surely, 242025838 is an apocalyptic number.

42025838 is a deficient number, since it is larger than the sum of its proper divisors (21067594).

42025838 is a wasteful number, since it uses less digits than its factorization.

42025838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18226.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 42025838 is about 6482.7338368932. The cubic root of 42025838 is about 347.6739304928.

The spelling of 42025838 in words is "forty-two million, twenty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 1237 2474 16987 33974 21012919 42025838