Base | Representation |
---|---|
bin | 10010000011111… |
… | …11000001011110 |
3 | 101120002202211012 |
4 | 21001333001132 |
5 | 302241441410 |
6 | 23011255222 |
7 | 3516600236 |
oct | 1101770136 |
9 | 346082735 |
10 | 151515230 |
11 | 785876a9 |
12 | 428aa512 |
13 | 2550c7a9 |
14 | 161a0cc6 |
15 | d47d605 |
hex | 907f05e |
151515230 has 16 divisors (see below), whose sum is σ = 279070704. Its totient is φ = 59196480.
The previous prime is 151515193. The next prime is 151515233. The reversal of 151515230 is 32515151.
It is a happy number.
151515230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 151515196 and 151515205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151515233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175751 + ... + 176610.
It is an arithmetic number, because the mean of its divisors is an integer number (17441919).
Almost surely, 2151515230 is an apocalyptic number.
151515230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
151515230 is a deficient number, since it is larger than the sum of its proper divisors (127555474).
151515230 is a wasteful number, since it uses less digits than its factorization.
151515230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352411.
The product of its (nonzero) digits is 750, while the sum is 23.
The square root of 151515230 is about 12309.1522860025. The cubic root of 151515230 is about 533.1123741814.
The spelling of 151515230 in words is "one hundred fifty-one million, five hundred fifteen thousand, two hundred thirty".
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