Base | Representation |
---|---|
bin | 1100010010111… |
… | …10101110000100 |
3 | 21012002111000212 |
4 | 12021132232010 |
5 | 202401222140 |
6 | 14122454552 |
7 | 2361514154 |
oct | 611365604 |
9 | 235074025 |
10 | 103148420 |
11 | 53251a31 |
12 | 2a664458 |
13 | 184a688b |
14 | d9b0764 |
15 | 90c7765 |
hex | 625eb84 |
103148420 has 12 divisors (see below), whose sum is σ = 216611724. Its totient is φ = 41259360.
The previous prime is 103148417. The next prime is 103148431. The reversal of 103148420 is 24841301.
It can be written as a sum of positive squares in 2 ways, for example, as 12974404 + 90174016 = 3602^2 + 9496^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578691 + ... + 2578730.
It is an arithmetic number, because the mean of its divisors is an integer number (18050977).
Almost surely, 2103148420 is an apocalyptic number.
103148420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103148420 is an abundant number, since it is smaller than the sum of its proper divisors (113463304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103148420 is a wasteful number, since it uses less digits than its factorization.
103148420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5157430 (or 5157428 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 103148420 is about 10156.2010614206. The cubic root of 103148420 is about 468.9798607167.
Adding to 103148420 its reverse (24841301), we get a palindrome (127989721).
The spelling of 103148420 in words is "one hundred three million, one hundred forty-eight thousand, four hundred twenty".
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