Base | Representation |
---|---|
bin | 10001101110100… |
… | …01100110100000 |
3 | 101100211010200020 |
4 | 20313101212200 |
5 | 301032121434 |
6 | 22431153440 |
7 | 3453665163 |
oct | 1067214640 |
9 | 340733606 |
10 | 148707744 |
11 | 76a3a369 |
12 | 41975880 |
13 | 24a68963 |
14 | 15a6dada |
15 | d0c6849 |
hex | 8dd19a0 |
148707744 has 96 divisors (see below), whose sum is σ = 407586816. Its totient is φ = 47420160.
The previous prime is 148707743. The next prime is 148707749. The reversal of 148707744 is 447707841.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×1487077442 = 44227986251139072, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 148707696 and 148707705.
It is not an unprimeable number, because it can be changed into a prime (148707743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318199 + ... + 318665.
It is an arithmetic number, because the mean of its divisors is an integer number (4245696).
Almost surely, 2148707744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148707744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203793408).
148707744 is an abundant number, since it is smaller than the sum of its proper divisors (258879072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148707744 is a wasteful number, since it uses less digits than its factorization.
148707744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618 (or 610 counting only the distinct ones).
The product of its (nonzero) digits is 175616, while the sum is 42.
The square root of 148707744 is about 12194.5784674994. The cubic root of 148707744 is about 529.7990741876.
The spelling of 148707744 in words is "one hundred forty-eight million, seven hundred seven thousand, seven hundred forty-four".
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