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84518142 = 2338336779
BaseRepresentation
bin1010000100110…
…10010011111110
312220000222002120
411002122103332
5133114040032
612215303410
72044251402
oct502322376
9186028076
1084518142
1143787805
122437ab66
1314682a47
14b321102
15764762c
hex509a4fe

84518142 has 16 divisors (see below), whose sum is σ = 169482240. Its totient is φ = 28098392.

The previous prime is 84518141. The next prime is 84518143. The reversal of 84518142 is 24181548.

It is an interprime number because it is at equal distance from previous prime (84518141) and next prime (84518143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84518141) 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, 16092 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (10592640).

Almost surely, 284518142 is an apocalyptic number.

84518142 is an abundant number, since it is smaller than the sum of its proper divisors (84964098).

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

84518142 is a wasteful number, since it uses less digits than its factorization.

84518142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37167.

The product of its digits is 10240, while the sum is 33.

The square root of 84518142 is about 9193.3748971746. The cubic root of 84518142 is about 438.8505500832.

The spelling of 84518142 in words is "eighty-four million, five hundred eighteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 383 766 1149 2298 36779 73558 110337 220674 14086357 28172714 42259071 84518142