Base | Representation |
---|---|
bin | 10001101111101… |
… | …10001110010000 |
3 | 101101002202102210 |
4 | 20313312032100 |
5 | 301101421434 |
6 | 22434312120 |
7 | 3455161410 |
oct | 1067661620 |
9 | 341082383 |
10 | 148857744 |
11 | 77032032 |
12 | 41a28640 |
13 | 24abc009 |
14 | 15aac640 |
15 | d105ee9 |
hex | 8df6390 |
148857744 has 80 divisors (see below), whose sum is σ = 449748992. Its totient is φ = 41537664.
The previous prime is 148857733. The next prime is 148857749. The reversal of 148857744 is 447758841.
148857744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 148857693 and 148857702.
It is not an unprimeable number, because it can be changed into a prime (148857749) 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, 9297 + ... + 19599.
Almost surely, 2148857744 is an apocalyptic number.
148857744 is a gapful number since it is divisible by the number (14) 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 148857744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224874496).
148857744 is an abundant number, since it is smaller than the sum of its proper divisors (300891248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148857744 is a wasteful number, since it uses less digits than its factorization.
148857744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10364 (or 10358 counting only the distinct ones).
The product of its digits is 1003520, while the sum is 48.
The square root of 148857744 is about 12200.7271914423. The cubic root of 148857744 is about 529.9771486528.
The spelling of 148857744 in words is "one hundred forty-eight million, eight hundred fifty-seven thousand, seven hundred forty-four".
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