Base | Representation |
---|---|
bin | 11000111000000… |
… | …01100011001100 |
3 | 112112122200111121 |
4 | 30130001203030 |
5 | 411410013342 |
6 | 32412330324 |
7 | 5112456004 |
oct | 1434014314 |
9 | 475580447 |
10 | 208672972 |
11 | a7877102 |
12 | 59a739a4 |
13 | 34302b41 |
14 | 1d9dd004 |
15 | 134be067 |
hex | c7018cc |
208672972 has 12 divisors (see below), whose sum is σ = 384397720. Its totient is φ = 98845056.
The previous prime is 208672967. The next prime is 208672973. The reversal of 208672972 is 279276802.
It is a happy number.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (208672973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372773 + ... + 1372924.
Almost surely, 2208672972 is an apocalyptic number.
It is an amenable number.
208672972 is a deficient number, since it is larger than the sum of its proper divisors (175724748).
208672972 is a wasteful number, since it uses less digits than its factorization.
208672972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2745720 (or 2745718 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 208672972 is about 14445.5173669897. The cubic root of 208672972 is about 593.1375247771.
The spelling of 208672972 in words is "two hundred eight million, six hundred seventy-two thousand, nine hundred seventy-two".
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