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84222241 = 412577993
BaseRepresentation
bin1010000010100…
…10000100100001
312212110221012021
411001102010201
5133030102431
612205101441
72041606615
oct501220441
9185427167
1084222241
11435a5464
1224257881
13145ab15c
14b285345
1575d9b11
hex5052121

84222241 has 8 divisors (see below), whose sum is σ = 86622984. Its totient is φ = 81838080.

The previous prime is 84222227. The next prime is 84222253. The reversal of 84222241 is 14222248.

It can be written as a sum of positive squares in 4 ways, for example, as 3294225 + 80928016 = 1815^2 + 8996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84222241 - 223 = 75833633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84229241) 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, 6541 + ... + 14533.

It is an arithmetic number, because the mean of its divisors is an integer number (10827873).

Almost surely, 284222241 is an apocalyptic number.

It is an amenable number.

84222241 is a deficient number, since it is larger than the sum of its proper divisors (2400743).

84222241 is a wasteful number, since it uses less digits than its factorization.

84222241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291.

The product of its digits is 2048, while the sum is 25.

The square root of 84222241 is about 9177.2676216835. The cubic root of 84222241 is about 438.3378074821.

Adding to 84222241 its reverse (14222248), we get a palindrome (98444489).

The spelling of 84222241 in words is "eighty-four million, two hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 41 257 7993 10537 327713 2054201 84222241