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84115127 = 487172721
BaseRepresentation
bin1010000001101…
…11111010110111
312212021111021002
411000313322313
5133013141002
612202513515
72040652415
oct500677267
9185244232
1084115127
1143531a38
122420589b
1314571485
14b2582b5
1575b8002
hex5037eb7

84115127 has 4 divisors (see below), whose sum is σ = 84288336. Its totient is φ = 83941920.

The previous prime is 84115103. The next prime is 84115159. The reversal of 84115127 is 72151148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84115127 - 28 = 84114871 is a prime.

It is a super-2 number, since 2×841151272 = 14150709180452258, which contains 22 as substring.

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 84115127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84115177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85874 + ... + 86847.

It is an arithmetic number, because the mean of its divisors is an integer number (21072084).

Almost surely, 284115127 is an apocalyptic number.

84115127 is a deficient number, since it is larger than the sum of its proper divisors (173209).

84115127 is a wasteful number, since it uses less digits than its factorization.

84115127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173208.

The product of its digits is 2240, while the sum is 29.

The square root of 84115127 is about 9171.4299321316. The cubic root of 84115127 is about 438.1519023735.

The spelling of 84115127 in words is "eighty-four million, one hundred fifteen thousand, one hundred twenty-seven".

Divisors: 1 487 172721 84115127