Base | Representation |
---|---|
bin | 1111100011000… |
… | …00111000000110 |
3 | 100002102000220220 |
4 | 13301200320012 |
5 | 231341421410 |
6 | 20535205210 |
7 | 3142360623 |
oct | 761407006 |
9 | 302360826 |
10 | 130420230 |
11 | 67689716 |
12 | 37816806 |
13 | 21034b45 |
14 | 1346d34a |
15 | b6b3070 |
hex | 7c60e06 |
130420230 has 16 divisors (see below), whose sum is σ = 313008624. Its totient is φ = 34778720.
The previous prime is 130420229. The next prime is 130420261. The reversal of 130420230 is 32024031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173641 + ... + 2173700.
It is an arithmetic number, because the mean of its divisors is an integer number (19563039).
Almost surely, 2130420230 is an apocalyptic number.
130420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130420230 is an abundant number, since it is smaller than the sum of its proper divisors (182588394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130420230 is a wasteful number, since it uses less digits than its factorization.
130420230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4347351.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 130420230 is about 11420.1676870351. The cubic root of 130420230 is about 507.1249609313.
Adding to 130420230 its reverse (32024031), we get a palindrome (162444261).
The spelling of 130420230 in words is "one hundred thirty million, four hundred twenty thousand, two hundred thirty".
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