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42928086 = 237154681
BaseRepresentation
bin1010001111000…
…0011111010110
32222202222021010
42203300133112
541442144321
64132033050
71030611525
oct243603726
988688233
1042928086
1122260563
1212462786
138b80546
1459b64bc
153b7e676
hex28f07d6

42928086 has 8 divisors (see below), whose sum is σ = 85856184. Its totient is φ = 14309360.

The previous prime is 42928069. The next prime is 42928099. The reversal of 42928086 is 68082924.

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

42928086 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577335 + ... + 3577346.

It is an arithmetic number, because the mean of its divisors is an integer number (10732023).

Almost surely, 242928086 is an apocalyptic number.

42928086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42928086 is a wasteful number, since it uses less digits than its factorization.

42928086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154686.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 42928086 is about 6551.9528386581. The cubic root of 42928086 is about 350.1443921237.

The spelling of 42928086 in words is "forty-two million, nine hundred twenty-eight thousand, eighty-six".

Divisors: 1 2 3 6 7154681 14309362 21464043 42928086