Base | Representation |
---|---|
bin | 10001101100000… |
… | …01011100001101 |
3 | 101100012110021112 |
4 | 20312001130031 |
5 | 300441120110 |
6 | 22420141405 |
7 | 3451130006 |
oct | 1066013415 |
9 | 340173245 |
10 | 148379405 |
11 | 76835709 |
12 | 41837865 |
13 | 24982385 |
14 | 159c61ad |
15 | d05e405 |
hex | 8d8170d |
148379405 has 8 divisors (see below), whose sum is σ = 178834200. Its totient is φ = 118184256.
The previous prime is 148379393. The next prime is 148379419. The reversal of 148379405 is 504973841.
It can be written as a sum of positive squares in 4 ways, for example, as 27071209 + 121308196 = 5203^2 + 11014^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 148379405 - 212 = 148375309 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63650 + ... + 65939.
It is an arithmetic number, because the mean of its divisors is an integer number (22354275).
Almost surely, 2148379405 is an apocalyptic number.
It is an amenable number.
148379405 is a deficient number, since it is larger than the sum of its proper divisors (30454795).
148379405 is a wasteful number, since it uses less digits than its factorization.
148379405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129823.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 148379405 is about 12181.1085291939. The cubic root of 148379405 is about 529.4088638827.
It can be divided in two parts, 14837 and 9405, that added together give a palindrome (24242).
The spelling of 148379405 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, four hundred five".
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