Base | Representation |
---|---|
bin | 11011011011111… |
… | …10010011111000 |
3 | 121001002010000020 |
4 | 31231332103320 |
5 | 432404434022 |
6 | 34501010440 |
7 | 5463201216 |
oct | 1555762370 |
9 | 531063006 |
10 | 230155512 |
11 | 108a0a274 |
12 | 650b3a20 |
13 | 388b4cc2 |
14 | 227d1cb6 |
15 | 1531435c |
hex | db7e4f8 |
230155512 has 32 divisors (see below), whose sum is σ = 605673600. Its totient is φ = 72680544.
The previous prime is 230155507. The next prime is 230155529. The reversal of 230155512 is 215551032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 251908 + ... + 252819.
It is an arithmetic number, because the mean of its divisors is an integer number (18927300).
Almost surely, 2230155512 is an apocalyptic number.
It is an amenable number.
230155512 is an abundant number, since it is smaller than the sum of its proper divisors (375518088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230155512 is a wasteful number, since it uses less digits than its factorization.
230155512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504755 (or 504751 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 230155512 is about 15170.8771005503. The cubic root of 230155512 is about 612.8306248855.
The spelling of 230155512 in words is "two hundred thirty million, one hundred fifty-five thousand, five hundred twelve".
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