Base | Representation |
---|---|
bin | 11000111000101… |
… | …01110110101110 |
3 | 112112210220120222 |
4 | 30130111312232 |
5 | 411420144032 |
6 | 32414211342 |
7 | 5113253330 |
oct | 1434256656 |
9 | 475726528 |
10 | 208756142 |
11 | a7923641 |
12 | 59ab3b52 |
13 | 3433195a |
14 | 1da21450 |
15 | 134d8a12 |
hex | c715dae |
208756142 has 32 divisors (see below), whose sum is σ = 382136832. Its totient is φ = 83581344.
The previous prime is 208756111. The next prime is 208756147. The reversal of 208756142 is 241657802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208756147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6308 + ... + 21384.
It is an arithmetic number, because the mean of its divisors is an integer number (11941776).
Almost surely, 2208756142 is an apocalyptic number.
208756142 is a deficient number, since it is larger than the sum of its proper divisors (173380690).
208756142 is a wasteful number, since it uses less digits than its factorization.
208756142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15152.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 208756142 is about 14448.3958279111. The cubic root of 208756142 is about 593.2163158395.
The spelling of 208756142 in words is "two hundred eight million, seven hundred fifty-six thousand, one hundred forty-two".
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