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84100229 = 94788807
BaseRepresentation
bin1010000001101…
…00010010000101
312212020201211022
411000310102011
5133012201404
612202320525
72040561113
oct500642205
9185221738
1084100229
1143521824
12241b9145
1314567765
14b252ab3
1575b38be
hex5034485

84100229 has 4 divisors (see below), whose sum is σ = 84189984. Its totient is φ = 84010476.

The previous prime is 84100201. The next prime is 84100231. The reversal of 84100229 is 92200148.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84100229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84100198 and 84100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84100529) 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, 43457 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (21047496).

Almost surely, 284100229 is an apocalyptic number.

It is an amenable number.

84100229 is a deficient number, since it is larger than the sum of its proper divisors (89755).

84100229 is an equidigital number, since it uses as much as digits as its factorization.

84100229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89754.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 84100229 is about 9170.6177000244. The cubic root of 84100229 is about 438.1260331762.

The spelling of 84100229 in words is "eighty-four million, one hundred thousand, two hundred twenty-nine".

Divisors: 1 947 88807 84100229