Search a number
-
+
299511212 = 22711131931127
BaseRepresentation
bin10001110110100…
…010110110101100
3202212120202010212
4101312202312230
51103133324322
645415321552
710264542350
oct2166426654
9685522125
10299511212
11144080230
12843802b8
134a089490
142bac7460
151b4640e2
hex11da2dac

299511212 has 192 divisors, whose sum is σ = 770703360. Its totient is φ = 97977600.

The previous prime is 299511203. The next prime is 299511241. The reversal of 299511212 is 212115992.

It is a super-2 number, since 2×2995112122 = 179413932227417888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2358293 + ... + 2358419.

It is an arithmetic number, because the mean of its divisors is an integer number (4014080).

Almost surely, 2299511212 is an apocalyptic number.

299511212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299511212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385351680).

299511212 is an abundant number, since it is smaller than the sum of its proper divisors (471192148).

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

299511212 is a wasteful number, since it uses less digits than its factorization.

299511212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 210 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 299511212 is about 17306.3922294625. The cubic root of 299511212 is about 669.0691849030.

The spelling of 299511212 in words is "two hundred ninety-nine million, five hundred eleven thousand, two hundred twelve".