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42054718 = 2233724709
BaseRepresentation
bin1010000001101…
…1010000111110
32221010121020011
42200123100332
541231222333
64101213434
71020313336
oct240332076
987117204
1042054718
1121814372
121210127a
138935b64
14582a0c6
153a5a9cd
hex281b43e

42054718 has 16 divisors (see below), whose sum is σ = 67606560. Its totient is φ = 19568736.

The previous prime is 42054713. The next prime is 42054737. The reversal of 42054718 is 81745024.

It is a self number, because there is not a number n which added to its sum of digits gives 42054718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10653 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (4225410).

Almost surely, 242054718 is an apocalyptic number.

42054718 is a deficient number, since it is larger than the sum of its proper divisors (25551842).

42054718 is a wasteful number, since it uses less digits than its factorization.

42054718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24771.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 42054718 is about 6484.9609096740. The cubic root of 42054718 is about 347.7535523355.

The spelling of 42054718 in words is "forty-two million, fifty-four thousand, seven hundred eighteen".

Divisors: 1 2 23 37 46 74 851 1702 24709 49418 568307 914233 1136614 1828466 21027359 42054718