Base | Representation |
---|---|
bin | 1111000110100… |
… | …10100100101100 |
3 | 22211101121020112 |
4 | 13203102210230 |
5 | 224413113003 |
6 | 20323235152 |
7 | 3065601230 |
oct | 743224454 |
9 | 284347215 |
10 | 126691628 |
11 | 65572328 |
12 | 36518ab8 |
13 | 2032a97b |
14 | 12b7c5c0 |
15 | b1c83d8 |
hex | 78d292c |
126691628 has 12 divisors (see below), whose sum is σ = 253383312. Its totient is φ = 54296400.
The previous prime is 126691597. The next prime is 126691657. The reversal of 126691628 is 826196621.
It is a happy number.
126691628 is an admirable number.
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, 2262323 + ... + 2262378.
It is an arithmetic number, because the mean of its divisors is an integer number (21115276).
Almost surely, 2126691628 is an apocalyptic number.
It is an amenable number.
126691628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126691628 is a wasteful number, since it uses less digits than its factorization.
126691628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4524712 (or 4524710 counting only the distinct ones).
The product of its digits is 62208, while the sum is 41.
The square root of 126691628 is about 11255.7375591296. The cubic root of 126691628 is about 502.2454052162.
The spelling of 126691628 in words is "one hundred twenty-six million, six hundred ninety-one thousand, six hundred twenty-eight".
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