Base | Representation |
---|---|
bin | 111110011111110… |
… | …000110001010100 |
3 | 2201001222000021210 |
4 | 332133300301110 |
5 | 4121404413440 |
6 | 252013141420 |
7 | 34661135010 |
oct | 7637606124 |
9 | 2631860253 |
10 | 1048513620 |
11 | 498949890 |
12 | 25318a870 |
13 | 1392c4b7b |
14 | 9d379540 |
15 | 620b5a80 |
hex | 3e7f0c54 |
1048513620 has 192 divisors, whose sum is σ = 3778854912. Its totient is φ = 210816000.
The previous prime is 1048513601. The next prime is 1048513621. The reversal of 1048513620 is 263158401.
It is a super-2 number, since 2×10485136202 = 2198761622651008800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1048513621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139560 + ... + 146880.
It is an arithmetic number, because the mean of its divisors is an integer number (19681536).
Almost surely, 21048513620 is an apocalyptic number.
1048513620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1048513620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889427456).
1048513620 is an abundant number, since it is smaller than the sum of its proper divisors (2730341292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1048513620 is a wasteful number, since it uses less digits than its factorization.
1048513620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7382 (or 7380 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 1048513620 is about 32380.7600281402. The cubic root of 1048513620 is about 1015.9165267669.
The spelling of 1048513620 in words is "one billion, forty-eight million, five hundred thirteen thousand, six hundred twenty".
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