Base | Representation |
---|---|
bin | 1011110000110… |
… | …1011100100101 |
3 | 10102211122012212 |
4 | 2330031130211 |
5 | 100112310044 |
6 | 4521253205 |
7 | 1136240000 |
oct | 274153445 |
9 | 112748185 |
10 | 49338149 |
11 | 25939533 |
12 | 14634205 |
13 | a2b6093 |
14 | 67a4537 |
15 | 44e8a9e |
hex | 2f0d725 |
49338149 has 10 divisors (see below), whose sum is σ = 57560550. Its totient is φ = 42287784.
The previous prime is 49338073. The next prime is 49338167. The reversal of 49338149 is 94183394.
It can be written as a sum of positive squares in only one way, i.e., 49098049 + 240100 = 7007^2 + 490^2 .
It is a de Polignac number, because none of the positive numbers 2k-49338149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49338169) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7874 + ... + 12675.
It is an arithmetic number, because the mean of its divisors is an integer number (5756055).
Almost surely, 249338149 is an apocalyptic number.
49338149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
It is an amenable number.
49338149 is a deficient number, since it is larger than the sum of its proper divisors (8222401).
49338149 is an frugal number, since it uses more digits than its factorization.
49338149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20577 (or 20556 counting only the distinct ones).
The product of its digits is 93312, while the sum is 41.
The square root of 49338149 is about 7024.1119723421. Note that the first 3 decimals coincide. The cubic root of 49338149 is about 366.7704043483.
The spelling of 49338149 in words is "forty-nine million, three hundred thirty-eight thousand, one hundred forty-nine".
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