Base | Representation |
---|---|
bin | 1100010011110… |
… | …00110101101101 |
3 | 21012021220210021 |
4 | 12021320311231 |
5 | 202413133110 |
6 | 14125042141 |
7 | 2362441111 |
oct | 611706555 |
9 | 235256707 |
10 | 103255405 |
11 | 53315350 |
12 | 2a6b6351 |
13 | 18513496 |
14 | d9db741 |
15 | 90e92da |
hex | 6278d6d |
103255405 has 16 divisors (see below), whose sum is σ = 142286400. Its totient is φ = 71141760.
The previous prime is 103255391. The next prime is 103255429. The reversal of 103255405 is 504552301.
It is not a de Polignac number, because 103255405 - 223 = 94866797 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103255405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48360 + ... + 50449.
It is an arithmetic number, because the mean of its divisors is an integer number (8892900).
Almost surely, 2103255405 is an apocalyptic number.
It is an amenable number.
103255405 is a deficient number, since it is larger than the sum of its proper divisors (39030995).
103255405 is a wasteful number, since it uses less digits than its factorization.
103255405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98844.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 103255405 is about 10161.4666756330. The cubic root of 103255405 is about 469.1419458420.
The spelling of 103255405 in words is "one hundred three million, two hundred fifty-five thousand, four hundred five".
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