Base | Representation |
---|---|
bin | 100100111111000… |
… | …1000010000100000 |
3 | 10012111012112020002 |
4 | 1021332020100200 |
5 | 10020200223040 |
6 | 323051235132 |
7 | 42516345242 |
oct | 11176102040 |
9 | 3174175202 |
10 | 1241023520 |
11 | 587586380 |
12 | 2a7748aa8 |
13 | 16a158b59 |
14 | bab6c092 |
15 | 73e40a15 |
hex | 49f88420 |
1241023520 has 48 divisors (see below), whose sum is σ = 3198460608. Its totient is φ = 451280640.
The previous prime is 1241023519. The next prime is 1241023591. The reversal of 1241023520 is 253201421.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1241023492 and 1241023501.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 350804 + ... + 354323.
It is an arithmetic number, because the mean of its divisors is an integer number (66634596).
Almost surely, 21241023520 is an apocalyptic number.
1241023520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1241023520 is an abundant number, since it is smaller than the sum of its proper divisors (1957437088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241023520 is a wasteful number, since it uses less digits than its factorization.
1241023520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 705153 (or 705145 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1241023520 is about 35228.1637330134. The cubic root of 1241023520 is about 1074.6325825676.
Adding to 1241023520 its reverse (253201421), we get a palindrome (1494224941).
The spelling of 1241023520 in words is "one billion, two hundred forty-one million, twenty-three thousand, five hundred twenty".
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