Base | Representation |
---|---|
bin | 1100010010111… |
… | …01001010111010 |
3 | 21012002011022211 |
4 | 12021131022322 |
5 | 202401021244 |
6 | 14122405334 |
7 | 2361456520 |
oct | 611351272 |
9 | 235064284 |
10 | 103142074 |
11 | 53248192 |
12 | 2a66084a |
13 | 184a3a19 |
14 | d9ac310 |
15 | 90c5934 |
hex | 625d2ba |
103142074 has 16 divisors (see below), whose sum is σ = 184503168. Its totient is φ = 42281712.
The previous prime is 103142071. The next prime is 103142093. The reversal of 103142074 is 470241301.
It is not an unprimeable number, because it can be changed into a prime (103142071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159837 + ... + 160480.
It is an arithmetic number, because the mean of its divisors is an integer number (11531448).
Almost surely, 2103142074 is an apocalyptic number.
103142074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
103142074 is a deficient number, since it is larger than the sum of its proper divisors (81361094).
103142074 is a wasteful number, since it uses less digits than its factorization.
103142074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320349.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 103142074 is about 10155.8886366482. Note that the first 3 decimals coincide. The cubic root of 103142074 is about 468.9702428372.
Adding to 103142074 its reverse (470241301), we get a palindrome (573383375).
The spelling of 103142074 in words is "one hundred three million, one hundred forty-two thousand, seventy-four".
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