Search a number
-
+
2169088590 = 23572302953
BaseRepresentation
bin1000000101001001…
…1010101001001110
312121011112010011110
42001102122221032
513420241313330
6555123032450
7104515643304
oct20122325116
95534463143
102169088590
11a134373a9
1250650b726
132874ca896
14168112274
15ca662db0
hex8149aa4e

2169088590 has 16 divisors (see below), whose sum is σ = 5205812688. Its totient is φ = 578423616.

The previous prime is 2169088561. The next prime is 2169088591. The reversal of 2169088590 is 958809612.

It is a happy number.

It is a super-2 number, since 2×21690885902 = 9409890622536376200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169088591) 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 7 ways as a sum of consecutive naturals, for example, 36151447 + ... + 36151506.

It is an arithmetic number, because the mean of its divisors is an integer number (325363293).

Almost surely, 22169088590 is an apocalyptic number.

2169088590 is an abundant number, since it is smaller than the sum of its proper divisors (3036724098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2169088590 is a wasteful number, since it uses less digits than its factorization.

2169088590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72302963.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 2169088590 is about 46573.4751763276. The cubic root of 2169088590 is about 1294.4713116473.

The spelling of 2169088590 in words is "two billion, one hundred sixty-nine million, eighty-eight thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 72302953 144605906 216908859 361514765 433817718 723029530 1084544295 2169088590