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84211049 = 13611031031
BaseRepresentation
bin1010000010011…
…11010101101001
312212110100211202
411001033111221
5133024223144
612204533545
72041532156
oct501172551
9185410752
1084211049
114359800a
12242512b5
13145a6030
14b28122d
1575d664e
hex504f569

84211049 has 16 divisors (see below), whose sum is σ = 93160704. Its totient is φ = 75643200.

The previous prime is 84211009. The next prime is 84211051. The reversal of 84211049 is 94011248.

It is a de Polignac number, because none of the positive numbers 2k-84211049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84211009) 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 15 ways as a sum of consecutive naturals, for example, 81164 + ... + 82194.

It is an arithmetic number, because the mean of its divisors is an integer number (5822544).

Almost surely, 284211049 is an apocalyptic number.

It is an amenable number.

84211049 is a deficient number, since it is larger than the sum of its proper divisors (8949655).

84211049 is a wasteful number, since it uses less digits than its factorization.

84211049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 84211049 is about 9176.6578338739. The cubic root of 84211049 is about 438.3183902276.

The spelling of 84211049 in words is "eighty-four million, two hundred eleven thousand, forty-nine".

Divisors: 1 13 61 103 793 1031 1339 6283 13403 62891 81679 106193 817583 1380509 6477773 84211049