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86952643 = 299730911
BaseRepresentation
bin1010010111011…
…00101011000011
320001121122121021
411023230223003
5134224441033
612343410311
72104041151
oct513545303
9201548537
1086952643
114509a898
1225153997
1315025b8b
14b7963d1
157978b2d
hex52ecac3

86952643 has 8 divisors (see below), whose sum is σ = 90881280. Its totient is φ = 83086080.

The previous prime is 86952631. The next prime is 86952661. The reversal of 86952643 is 34625968.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86952643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86952643.

It is not an unprimeable number, because it can be changed into a prime (86952623) 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, 12643 + ... + 18268.

It is an arithmetic number, because the mean of its divisors is an integer number (11360160).

Almost surely, 286952643 is an apocalyptic number.

86952643 is a deficient number, since it is larger than the sum of its proper divisors (3928637).

86952643 is a wasteful number, since it uses less digits than its factorization.

86952643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31037.

The product of its digits is 311040, while the sum is 43.

The square root of 86952643 is about 9324.8401058678. The cubic root of 86952643 is about 443.0243486796.

The spelling of 86952643 in words is "eighty-six million, nine hundred fifty-two thousand, six hundred forty-three".

Divisors: 1 29 97 2813 30911 896419 2998367 86952643