Search a number
-
+
84468445 = 529582541
BaseRepresentation
bin1010000100011…
…10001011011101
312212221102220221
411002032023131
5133110442240
612214241341
72043653455
oct502161335
9185842827
1084468445
1143753436
1224356251
1314666239
14b30ad65
157637a4a
hex508e2dd

84468445 has 8 divisors (see below), whose sum is σ = 104857560. Its totient is φ = 65244480.

The previous prime is 84468409. The next prime is 84468457. The reversal of 84468445 is 54486448.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 84382596 = 293^2 + 9186^2 .

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

It is not a de Polignac number, because 84468445 - 211 = 84466397 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 291126 + ... + 291415.

It is an arithmetic number, because the mean of its divisors is an integer number (13107195).

Almost surely, 284468445 is an apocalyptic number.

It is an amenable number.

84468445 is a deficient number, since it is larger than the sum of its proper divisors (20389115).

84468445 is a wasteful number, since it uses less digits than its factorization.

84468445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582575.

The product of its digits is 491520, while the sum is 43.

The square root of 84468445 is about 9190.6716294295. The cubic root of 84468445 is about 438.7645179353.

The spelling of 84468445 in words is "eighty-four million, four hundred sixty-eight thousand, four hundred forty-five".

Divisors: 1 5 29 145 582541 2912705 16893689 84468445