Base | Representation |
---|---|
bin | 10001101101000… |
… | …10001111111100 |
3 | 101100110021121200 |
4 | 20312202033330 |
5 | 301004420123 |
6 | 22423055500 |
7 | 3452226543 |
oct | 1066421774 |
9 | 340407550 |
10 | 148513788 |
11 | 76917675 |
12 | 418a1590 |
13 | 249cb5a7 |
14 | 15a1d15a |
15 | d089143 |
hex | 8da23fc |
148513788 has 18 divisors (see below), whose sum is σ = 375409944. Its totient is φ = 49504584.
The previous prime is 148513663. The next prime is 148513801. The reversal of 148513788 is 887315841.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×1485137882 = 44112690452217888, 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 5 ways as a sum of consecutive naturals, for example, 2062656 + ... + 2062727.
It is an arithmetic number, because the mean of its divisors is an integer number (20856108).
Almost surely, 2148513788 is an apocalyptic number.
148513788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
148513788 is an abundant number, since it is smaller than the sum of its proper divisors (226896156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148513788 is a wasteful number, since it uses less digits than its factorization.
148513788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4125393 (or 4125388 counting only the distinct ones).
The product of its digits is 215040, while the sum is 45.
The square root of 148513788 is about 12186.6233223153. The cubic root of 148513788 is about 529.5686391664.
The spelling of 148513788 in words is "one hundred forty-eight million, five hundred thirteen thousand, seven hundred eighty-eight".
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