| Base | Representation |
|---|---|
| bin | 100000101100111… |
| … | …1000111110101100 |
| 3 | 2211110202220220000 |
| 4 | 1001121320332230 |
| 5 | 4221402243103 |
| 6 | 300515024300 |
| 7 | 36122642640 |
| oct | 10131707654 |
| 9 | 2743686800 |
| 10 | 1097306028 |
| 11 | 513445295 |
| 12 | 26759b090 |
| 13 | 146449710 |
| 14 | a5a3ac20 |
| 15 | 66502aa3 |
| hex | 41678fac |
1097306028 has 120 divisors (see below), whose sum is σ = 3530648352. Its totient is φ = 289391616.
The previous prime is 1097305981. The next prime is 1097306029. The reversal of 1097306028 is 8206037901.
1097306028 is a `hidden beast` number, since 10 + 9 + 7 + 30 + 602 + 8 = 666.
1097306028 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1097305983 and 1097306001.
It is not an unprimeable number, because it can be changed into a prime (1097306029) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10876 + ... + 48092.
Almost surely, 21097306028 is an apocalyptic number.
1097306028 is a gapful number since it is divisible by the number (18) 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 1097306028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765324176).
1097306028 is an abundant number, since it is smaller than the sum of its proper divisors (2433342324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1097306028 is a wasteful number, since it uses less digits than its factorization.
1097306028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37253 (or 37242 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 1097306028 is about 33125.6098509899. The cubic root of 1097306028 is about 1031.4367193804.
The spelling of 1097306028 in words is "one billion, ninety-seven million, three hundred six thousand, twenty-eight".
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