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45128086 = 237976287
BaseRepresentation
bin1010110000100…
…1100110010110
310010220202002121
42230021212112
543023044321
64251130154
71055403523
oct254114626
9103822077
1045128086
1123523443
121314395a
139470a13
145dca14a
153e66441
hex2b09996

45128086 has 16 divisors (see below), whose sum is σ = 70249536. Its totient is φ = 21724416.

The previous prime is 45128023. The next prime is 45128087. The reversal of 45128086 is 68082154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45128087) 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, 4035 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (4390596).

Almost surely, 245128086 is an apocalyptic number.

45128086 is a deficient number, since it is larger than the sum of its proper divisors (25121450).

45128086 is a wasteful number, since it uses less digits than its factorization.

45128086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 45128086 is about 6717.7441154006. The cubic root of 45128086 is about 356.0264835325.

The spelling of 45128086 in words is "forty-five million, one hundred twenty-eight thousand, eighty-six".

Divisors: 1 2 37 74 97 194 3589 6287 7178 12574 232619 465238 609839 1219678 22564043 45128086