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300020130 = 232513125447
BaseRepresentation
bin10001111000011…
…111000110100010
3202220112121020200
4101320133012202
51103301121010
645434250030
710302062154
oct2170370642
9686477220
10300020130
11144398623
1284586916
134a207007
142bbbaad4
151b514cc0
hex11e1f1a2

300020130 has 48 divisors (see below), whose sum is σ = 786037824. Its totient is φ = 79391520.

The previous prime is 300020113. The next prime is 300020153. The reversal of 300020130 is 31020003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934 + ... + 24513.

It is an arithmetic number, because the mean of its divisors is an integer number (16375788).

Almost surely, 2300020130 is an apocalyptic number.

300020130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 300020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393018912).

300020130 is an abundant number, since it is smaller than the sum of its proper divisors (486017694).

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

300020130 is a wasteful number, since it uses less digits than its factorization.

300020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25591 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 300020130 is about 17321.0891689870. The cubic root of 300020130 is about 669.4479227309.

Adding to 300020130 its reverse (31020003), we get a palindrome (331040133).

The spelling of 300020130 in words is "three hundred million, twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 131 262 393 655 786 1179 1310 1965 2358 3930 5895 11790 25447 50894 76341 127235 152682 229023 254470 381705 458046 763410 1145115 2290230 3333557 6667114 10000671 16667785 20001342 30002013 33335570 50003355 60004026 100006710 150010065 300020130