Base | Representation |
---|---|
bin | 100101001101001… |
… | …0111110001010010 |
3 | 10020000010200000101 |
4 | 1022122113301102 |
5 | 10024044131330 |
6 | 323514043014 |
7 | 42636312061 |
oct | 11232276122 |
9 | 3200120011 |
10 | 1248427090 |
11 | 590782829 |
12 | 2aa11946a |
13 | 16b84b971 |
14 | bbb381d8 |
15 | 749044ca |
hex | 4a697c52 |
1248427090 has 32 divisors (see below), whose sum is σ = 2326968000. Its totient is φ = 481672128.
The previous prime is 1248427067. The next prime is 1248427099. The reversal of 1248427090 is 907248421.
It is not an unprimeable number, because it can be changed into a prime (1248427099) 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, 468181 + ... + 470839.
It is an arithmetic number, because the mean of its divisors is an integer number (72717750).
Almost surely, 21248427090 is an apocalyptic number.
1248427090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1248427090 is a deficient number, since it is larger than the sum of its proper divisors (1078540910).
1248427090 is a wasteful number, since it uses less digits than its factorization.
1248427090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4314.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 1248427090 is about 35333.0877507189. The cubic root of 1248427090 is about 1076.7653244504.
The spelling of 1248427090 in words is "one billion, two hundred forty-eight million, four hundred twenty-seven thousand, ninety".
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