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43087086 = 2337313677
BaseRepresentation
bin1010010001011…
…1010011101110
310000002001101000
42210113103232
542012241321
64135301130
71032143220
oct244272356
9100061330
1043087086
1122359a69
121251a7a6
138c07a23
145a18410
153bb1826
hex29174ee

43087086 has 64 divisors (see below), whose sum is σ = 112988160. Its totient is φ = 11910240.

The previous prime is 43087021. The next prime is 43087087. The reversal of 43087086 is 68078034.

It is a self number, because there is not a number n which added to its sum of digits gives 43087086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43087087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9880 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (1765440).

Almost surely, 243087086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43087086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56494080).

43087086 is an abundant number, since it is smaller than the sum of its proper divisors (69901074).

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

43087086 is a wasteful number, since it uses less digits than its factorization.

43087086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 43087086 is about 6564.0754109014. The cubic root of 43087086 is about 350.5761557972.

The spelling of 43087086 in words is "forty-three million, eighty-seven thousand, eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 93 126 186 189 217 279 378 434 558 651 837 1302 1674 1953 3677 3906 5859 7354 11031 11718 22062 25739 33093 51478 66186 77217 99279 113987 154434 198558 227974 231651 341961 463302 683922 694953 797909 1025883 1389906 1595818 2051766 2393727 3077649 4787454 6155298 7181181 14362362 21543543 43087086