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84104877 = 328034959
BaseRepresentation
bin1010000001101…
…01011010101101
312212020222012110
411000311122231
5133012324002
612202354233
72040610503
oct500653255
9185228173
1084104877
114352526a
12241bb979
13145698cc
14b254673
1575b4e6c
hex50356ad

84104877 has 4 divisors (see below), whose sum is σ = 112139840. Its totient is φ = 56069916.

The previous prime is 84104873. The next prime is 84104893. The reversal of 84104877 is 77840148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84104877 - 22 = 84104873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84104873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14017477 + ... + 14017482.

It is an arithmetic number, because the mean of its divisors is an integer number (28034960).

Almost surely, 284104877 is an apocalyptic number.

It is an amenable number.

84104877 is a deficient number, since it is larger than the sum of its proper divisors (28034963).

84104877 is a wasteful number, since it uses less digits than its factorization.

84104877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034962.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 84104877 is about 9170.8711145670. The cubic root of 84104877 is about 438.1341043880.

The spelling of 84104877 in words is "eighty-four million, one hundred four thousand, eight hundred seventy-seven".

Divisors: 1 3 28034959 84104877