Base | Representation |
---|---|
bin | 101100100110010… |
… | …000010110001000 |
3 | 1221010220211000102 |
4 | 230212100112020 |
5 | 3013021212203 |
6 | 202125024532 |
7 | 24353546462 |
oct | 5446202610 |
9 | 1833824012 |
10 | 748225928 |
11 | 35439923a |
12 | 18a6b5148 |
13 | bc026148 |
14 | 7152d132 |
15 | 45a4b888 |
hex | 2c990588 |
748225928 has 36 divisors (see below), whose sum is σ = 1483562565. Its totient is φ = 353726496.
The previous prime is 748225927. The next prime is 748225931. The reversal of 748225928 is 829522847.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 665743204 + 82482724 = 25802^2 + 9082^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=19342.
It is a super-2 number, since 2×7482259282 = 1119684078662922368, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (748225927) 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 8 ways as a sum of consecutive naturals, for example, 1469738 + ... + 1470246.
Almost surely, 2748225928 is an apocalyptic number.
It is an amenable number.
748225928 is a deficient number, since it is larger than the sum of its proper divisors (735336637).
748225928 is an equidigital number, since it uses as much as digits as its factorization.
748225928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1062 (or 530 counting only the distinct ones).
The product of its digits is 645120, while the sum is 47.
The square root of 748225928 is about 27353.7187234204. The cubic root of 748225928 is about 907.8433524330.
The spelling of 748225928 in words is "seven hundred forty-eight million, two hundred twenty-five thousand, nine hundred twenty-eight".
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