Base | Representation |
---|---|
bin | 10010010101111… |
… | …011111001000110 |
3 | 210110001211020022 |
4 | 102111323321012 |
5 | 1112240141410 |
6 | 50311535142 |
7 | 10424514560 |
oct | 2225737106 |
9 | 713054208 |
10 | 307740230 |
11 | 148790876 |
12 | 8708a4b2 |
13 | 4b9aac15 |
14 | 2cc2a330 |
15 | 1c03c455 |
hex | 1257be46 |
307740230 has 32 divisors (see below), whose sum is σ = 660593664. Its totient is φ = 100922976.
The previous prime is 307740229. The next prime is 307740263. The reversal of 307740230 is 32047703.
It is a self number, because there is not a number n which added to its sum of digits gives 307740230.
It is a congruent number.
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, 93962 + ... + 97181.
It is an arithmetic number, because the mean of its divisors is an integer number (20643552).
Almost surely, 2307740230 is an apocalyptic number.
307740230 is an abundant number, since it is smaller than the sum of its proper divisors (352853434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307740230 is a wasteful number, since it uses less digits than its factorization.
307740230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191180.
The product of its (nonzero) digits is 3528, while the sum is 26.
The square root of 307740230 is about 17542.5263288957. The cubic root of 307740230 is about 675.1414280701.
Adding to 307740230 its reverse (32047703), we get a palindrome (339787933).
The spelling of 307740230 in words is "three hundred seven million, seven hundred forty thousand, two hundred thirty".
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