Search a number
-
+
2190491301 = 31279116311
BaseRepresentation
bin1000001010010000…
…0011111010100101
312122122210111011110
42002210003322211
513441231210201
61001205455233
7105165604005
oct20244037245
95578714143
102190491301
11a24525599
12511711519
1328ba825cb
1416acc4005
15cc48e6d6
hex82903ea5

2190491301 has 16 divisors (see below), whose sum is σ = 2947350528. Its totient is φ = 1447009200.

The previous prime is 2190491291. The next prime is 2190491321. The reversal of 2190491301 is 1031940912.

It is not a de Polignac number, because 2190491301 - 25 = 2190491269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190491321) 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 15 ways as a sum of consecutive naturals, for example, 343936 + ... + 350246.

It is an arithmetic number, because the mean of its divisors is an integer number (184209408).

Almost surely, 22190491301 is an apocalyptic number.

It is an amenable number.

2190491301 is a deficient number, since it is larger than the sum of its proper divisors (756859227).

2190491301 is a wasteful number, since it uses less digits than its factorization.

2190491301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2190491301 is about 46802.6847627356. The cubic root of 2190491301 is about 1298.7149631114.

The spelling of 2190491301 in words is "two billion, one hundred ninety million, four hundred ninety-one thousand, three hundred one".

Divisors: 1 3 127 381 911 2733 6311 18933 115697 347091 801497 2404491 5749321 17247963 730163767 2190491301