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42728114 = 21113149399
BaseRepresentation
bin1010001011111…
…1101010110010
32222101210221202
42202333222302
541414244424
64123451202
71026116522
oct242775262
988353852
1042728114
11221342a0
1212386b02
138b10510
145963682
153b402ae
hex28bfab2

42728114 has 16 divisors (see below), whose sum is σ = 75297600. Its totient is φ = 17927760.

The previous prime is 42728087. The next prime is 42728117. The reversal of 42728114 is 41182724.

It is not an unprimeable number, because it can be changed into a prime (42728117) 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, 74414 + ... + 74985.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 242728114 is an apocalyptic number.

42728114 is a deficient number, since it is larger than the sum of its proper divisors (32569486).

42728114 is a wasteful number, since it uses less digits than its factorization.

42728114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149425.

The product of its digits is 3584, while the sum is 29.

The square root of 42728114 is about 6536.6745367962. The cubic root of 42728114 is about 349.5998528993.

The spelling of 42728114 in words is "forty-two million, seven hundred twenty-eight thousand, one hundred fourteen".

Divisors: 1 2 11 13 22 26 143 286 149399 298798 1643389 1942187 3286778 3884374 21364057 42728114