Base | Representation |
---|---|
bin | 1111001000011… |
… | …00001101110000 |
3 | 22211211121002222 |
4 | 13210030031300 |
5 | 224443141403 |
6 | 20332300212 |
7 | 3100603454 |
oct | 744141560 |
9 | 284747088 |
10 | 126927728 |
11 | 65713754 |
12 | 36611668 |
13 | 203b1285 |
14 | 12c00664 |
15 | b223338 |
hex | 790c370 |
126927728 has 40 divisors (see below), whose sum is σ = 250835136. Its totient is φ = 62208000.
The previous prime is 126927727. The next prime is 126927743. The reversal of 126927728 is 827729621.
It is a super-2 number, since 2×1269277282 = 32221296270483968, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126927721) 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, 316328 + ... + 316728.
Almost surely, 2126927728 is an apocalyptic number.
It is an amenable number.
126927728 is a deficient number, since it is larger than the sum of its proper divisors (123907408).
126927728 is a wasteful number, since it uses less digits than its factorization.
126927728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 753 (or 747 counting only the distinct ones).
The product of its digits is 169344, while the sum is 44.
The square root of 126927728 is about 11266.2206617836. The cubic root of 126927728 is about 502.5572031279.
The spelling of 126927728 in words is "one hundred twenty-six million, nine hundred twenty-seven thousand, seven hundred twenty-eight".
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