Base | Representation |
---|---|
bin | 10001110111010… |
… | …00001010100100 |
3 | 101102222002211100 |
4 | 20323220022210 |
5 | 301330124430 |
6 | 22511440100 |
7 | 3466456536 |
oct | 1073501244 |
9 | 342862740 |
10 | 149848740 |
11 | 77649638 |
12 | 42226030 |
13 | 250780c2 |
14 | 15c89856 |
15 | d24e960 |
hex | 8ee82a4 |
149848740 has 36 divisors (see below), whose sum is σ = 454541724. Its totient is φ = 39959616.
The previous prime is 149848723. The next prime is 149848759. The reversal of 149848740 is 47848941.
149848740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 122412096 = 5238^2 + 11064^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416067 + ... + 416426.
It is an arithmetic number, because the mean of its divisors is an integer number (12626159).
Almost surely, 2149848740 is an apocalyptic number.
149848740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149848740 is an abundant number, since it is smaller than the sum of its proper divisors (304692984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149848740 is a wasteful number, since it uses less digits than its factorization.
149848740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 832508 (or 832503 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 149848740 is about 12241.2719927302. The cubic root of 149848740 is about 531.1506270416.
The spelling of 149848740 in words is "one hundred forty-nine million, eight hundred forty-eight thousand, seven hundred forty".
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