Base | Representation |
---|---|
bin | 10001101110010… |
… | …10010010001000 |
3 | 101100202121120000 |
4 | 20313022102020 |
5 | 301030142033 |
6 | 22430403000 |
7 | 3453511611 |
oct | 1067122210 |
9 | 340677500 |
10 | 148677768 |
11 | 76a19898 |
12 | 41960460 |
13 | 24a58115 |
14 | 15a62c08 |
15 | d0bca13 |
hex | 8dca488 |
148677768 has 60 divisors (see below), whose sum is σ = 417306615. Its totient is φ = 49455792.
The previous prime is 148677761. The next prime is 148677769. The reversal of 148677768 is 867776841.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 74338884 + 74338884 = 8622^2 + 8622^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8622.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (148677761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 310153 + ... + 310631.
Almost surely, 2148677768 is an apocalyptic number.
148677768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148677768
148677768 is an abundant number, since it is smaller than the sum of its proper divisors (268628847).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148677768 is an frugal number, since it uses more digits than its factorization.
148677768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 976 (or 484 counting only the distinct ones).
The product of its digits is 3161088, while the sum is 54.
The square root of 148677768 is about 12193.3493347808. The cubic root of 148677768 is about 529.7634734318.
The spelling of 148677768 in words is "one hundred forty-eight million, six hundred seventy-seven thousand, seven hundred sixty-eight".
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