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300020080 = 24517297607
BaseRepresentation
bin10001111000011…
…111000101110000
3202220112121011211
4101320133011300
51103301120310
645434245504
710302062053
oct2170370560
9686477154
10300020080
11144398588
1284586894
134a206c99
142bbbaa9a
151b514c8a
hex11e1f170

300020080 has 80 divisors (see below), whose sum is σ = 764147520. Its totient is φ = 109039616.

The previous prime is 300020053. The next prime is 300020081. The reversal of 300020080 is 80020003.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 300020080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35637 + ... + 43243.

It is an arithmetic number, because the mean of its divisors is an integer number (9551844).

Almost surely, 2300020080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300020080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382073760).

300020080 is an abundant number, since it is smaller than the sum of its proper divisors (464127440).

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

300020080 is a wasteful number, since it uses less digits than its factorization.

300020080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 300020080 is about 17321.0877256597. The cubic root of 300020080 is about 669.4478855419.

Adding to 300020080 its reverse (80020003), we get a palindrome (380040083).

The spelling of 300020080 in words is "three hundred million, twenty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 29 34 40 58 68 80 85 116 136 145 170 232 272 290 340 464 493 580 680 986 1160 1360 1972 2320 2465 3944 4930 7607 7888 9860 15214 19720 30428 38035 39440 60856 76070 121712 129319 152140 220603 258638 304280 441206 517276 608560 646595 882412 1034552 1103015 1293190 1764824 2069104 2206030 2586380 3529648 3750251 4412060 5172760 7500502 8824120 10345520 15001004 17648240 18751255 30002008 37502510 60004016 75005020 150010040 300020080