| Base | Representation |
|---|---|
| bin | 111011110000111… |
| … | …101011010111010 |
| 3 | 2120212201221102100 |
| 4 | 323300331122322 |
| 5 | 4023142041414 |
| 6 | 243255044230 |
| 7 | 33563504100 |
| oct | 7360753272 |
| 9 | 2525657370 |
| 10 | 1002690234 |
| 11 | 474aa1017 |
| 12 | 23b970676 |
| 13 | 12c96c840 |
| 14 | 9724bc70 |
| 15 | 5d063609 |
| hex | 3bc3d6ba |
1002690234 has 144 divisors (see below), whose sum is σ = 2743840008. Its totient is φ = 262289664.
The previous prime is 1002690233. The next prime is 1002690239. The reversal of 1002690234 is 4320962001.
It can be written as a sum of positive squares in 4 ways, for example, as 351675009 + 651015225 = 18753^2 + 25515^2 .
1002690234 is a modest number, since divided by 90234 gives 10026 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 1002690198 and 1002690207.
It is not an unprimeable number, because it can be changed into a prime (1002690233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1799884 + ... + 1800440.
Almost surely, 21002690234 is an apocalyptic number.
1002690234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1002690234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371920004).
1002690234 is an abundant number, since it is smaller than the sum of its proper divisors (1741149774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1002690234 is a wasteful number, since it uses less digits than its factorization.
1002690234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 749 (or 739 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 1002690234 is about 31665.2843663214. The cubic root of 1002690234 is about 1000.8959417154.
It can be divided in two parts, 10026 and 90234, that multiplied together give a square (904686084 = 300782).
The spelling of 1002690234 in words is "one billion, two million, six hundred ninety thousand, two hundred thirty-four".
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