Base | Representation |
---|---|
bin | 101100100101101… |
… | …011010000000100 |
3 | 1221010122002121000 |
4 | 230211223100010 |
5 | 3013001331423 |
6 | 202121453300 |
7 | 24352344504 |
oct | 5445532004 |
9 | 1833562530 |
10 | 748073988 |
11 | 3542a5072 |
12 | 18a641230 |
13 | bbca1c3c |
14 | 714cda04 |
15 | 45a1b843 |
hex | 2c96b404 |
748073988 has 96 divisors (see below), whose sum is σ = 2057368320. Its totient is φ = 234558720.
The previous prime is 748073981. The next prime is 748074007. The reversal of 748073988 is 889370847.
748073988 is a `hidden beast` number, since 7 + 480 + 73 + 98 + 8 = 666.
It is a super-2 number, since 2×7480739882 = 1119229383044448288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (748073981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149056 + ... + 153992.
It is an arithmetic number, because the mean of its divisors is an integer number (21430920).
Almost surely, 2748073988 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 748073988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028684160).
748073988 is an abundant number, since it is smaller than the sum of its proper divisors (1309294332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
748073988 is a wasteful number, since it uses less digits than its factorization.
748073988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5034 (or 5026 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 54.
The square root of 748073988 is about 27350.9412635105. The cubic root of 748073988 is about 907.7818972621.
The spelling of 748073988 in words is "seven hundred forty-eight million, seventy-three thousand, nine hundred eighty-eight".
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