Search a number
-
+
84189010 = 258418901
BaseRepresentation
bin1010000010010…
…01111101010010
312212102020121111
411001021331102
5133023022020
612204243534
72041411003
oct501117522
9185366544
1084189010
11435824a4
12242405aa
1314598ca9
14b2771aa
1575ced5a
hex5049f52

84189010 has 8 divisors (see below), whose sum is σ = 151540236. Its totient is φ = 33675600.

The previous prime is 84188999. The next prime is 84189013. The reversal of 84189010 is 1098148.

It can be written as a sum of positive squares in 2 ways, for example, as 82573569 + 1615441 = 9087^2 + 1271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84189013) 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, 4209441 + ... + 4209460.

Almost surely, 284189010 is an apocalyptic number.

84189010 is a deficient number, since it is larger than the sum of its proper divisors (67351226).

84189010 is a wasteful number, since it uses less digits than its factorization.

84189010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418908.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 84189010 is about 9175.4569368506. The cubic root of 84189010 is about 438.2801492368.

The spelling of 84189010 in words is "eighty-four million, one hundred eighty-nine thousand, ten".

Divisors: 1 2 5 10 8418901 16837802 42094505 84189010