Base | Representation |
---|---|
bin | 10001101101001… |
… | …10001101011111 |
3 | 101100111002212200 |
4 | 20312212031133 |
5 | 301010430030 |
6 | 22423302543 |
7 | 3452325054 |
oct | 1066461537 |
9 | 340432780 |
10 | 148530015 |
11 | 76928887 |
12 | 418aaa53 |
13 | 24a05aaa |
14 | 15a2502b |
15 | d08dd60 |
hex | 8da635f |
148530015 has 24 divisors (see below), whose sum is σ = 258953760. Its totient is φ = 78753984.
The previous prime is 148529981. The next prime is 148530023. The reversal of 148530015 is 510035841.
It is not a de Polignac number, because 148530015 - 212 = 148525919 is a prime.
It is a super-2 number, since 2×1485300152 = 44122330711800450, which contains 22 as substring.
It is a congruent number.
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, 1755 + ... + 17324.
It is an arithmetic number, because the mean of its divisors is an integer number (10789740).
Almost surely, 2148530015 is an apocalyptic number.
148530015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
148530015 is a deficient number, since it is larger than the sum of its proper divisors (110423745).
148530015 is a wasteful number, since it uses less digits than its factorization.
148530015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19263 (or 19260 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 148530015 is about 12187.2890750979. The cubic root of 148530015 is about 529.5879258097.
Adding to 148530015 its reverse (510035841), we get a palindrome (658565856).
The spelling of 148530015 in words is "one hundred forty-eight million, five hundred thirty thousand, fifteen".
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