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42832086 = 2311648971
BaseRepresentation
bin1010001101100…
…1000011010110
32222121002120120
42203121003112
541431111321
64130012410
71030031613
oct243310326
988532516
1042832086
11221a5420
1212417106
138b4893b
14598d50a
153b60ec6
hex28d90d6

42832086 has 16 divisors (see below), whose sum is σ = 93451968. Its totient is φ = 12979400.

The previous prime is 42832081. The next prime is 42832103. The reversal of 42832086 is 68023824.

It is a super-2 number, since 2×428320862 = 3669175182222792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42832081) 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, 324420 + ... + 324551.

It is an arithmetic number, because the mean of its divisors is an integer number (5840748).

Almost surely, 242832086 is an apocalyptic number.

42832086 is an abundant number, since it is smaller than the sum of its proper divisors (50619882).

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

42832086 is a wasteful number, since it uses less digits than its factorization.

42832086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648987.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 42832086 is about 6544.6226781993. The cubic root of 42832086 is about 349.8831882295.

The spelling of 42832086 in words is "forty-two million, eight hundred thirty-two thousand, eighty-six".

Divisors: 1 2 3 6 11 22 33 66 648971 1297942 1946913 3893826 7138681 14277362 21416043 42832086