Search a number
-
+
299415020 = 22543536569
BaseRepresentation
bin10001110110001…
…011010111101100
3202212101212012012
4101312023113230
51103122240040
645413300352
710263662042
oct2166132754
9685355165
10299415020
11144014a33
12843346b8
134a054768
142baa0392
151b445865
hex11d8b5ec

299415020 has 48 divisors (see below), whose sum is σ = 655633440. Its totient is φ = 114756096.

The previous prime is 299414963. The next prime is 299415037. The reversal of 299415020 is 20514992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42296 + ... + 48864.

It is an arithmetic number, because the mean of its divisors is an integer number (13659030).

Almost surely, 2299415020 is an apocalyptic number.

299415020 is a gapful number since it is divisible by the number (20) 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 299415020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327816720).

299415020 is an abundant number, since it is smaller than the sum of its proper divisors (356218420).

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

299415020 is a wasteful number, since it uses less digits than its factorization.

299415020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6672 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 299415020 is about 17303.6129175383. The cubic root of 299415020 is about 668.9975504180.

The spelling of 299415020 in words is "two hundred ninety-nine million, four hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 43 53 86 106 172 212 215 265 430 530 860 1060 2279 4558 6569 9116 11395 13138 22790 26276 32845 45580 65690 131380 282467 348157 564934 696314 1129868 1392628 1412335 1740785 2824670 3481570 5649340 6963140 14970751 29941502 59883004 74853755 149707510 299415020