| Base | Representation |
|---|---|
| bin | 101101110111110… |
| … | …100110010001000 |
| 3 | 1222122011011212010 |
| 4 | 231313310302020 |
| 5 | 3034004440330 |
| 6 | 204211215520 |
| 7 | 25033365360 |
| oct | 5567646210 |
| 9 | 1878134763 |
| 10 | 769608840 |
| 11 | 365473570 |
| 12 | 1958a75a0 |
| 13 | c35a1b60 |
| 14 | 742d79a0 |
| 15 | 478723b0 |
| hex | 2ddf4c88 |
769608840 has 512 divisors, whose sum is σ = 3193344000. Its totient is φ = 143216640.
The previous prime is 769608839. The next prime is 769608841. The reversal of 769608840 is 48806967.
It is an interprime number because it is at equal distance from previous prime (769608839) and next prime (769608841).
It is a super-2 number, since 2×7696088402 = 1184595533212291200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 769608840.
It is not an unprimeable number, because it can be changed into a prime (769608841) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5165086 + ... + 5165234.
It is an arithmetic number, because the mean of its divisors is an integer number (6237000).
Almost surely, 2769608840 is an apocalyptic number.
769608840 is a gapful number since it is divisible by the number (70) 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 769608840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596672000).
769608840 is an abundant number, since it is smaller than the sum of its proper divisors (2423735160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
769608840 is a wasteful number, since it uses less digits than its factorization.
769608840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237 (or 233 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 48.
The square root of 769608840 is about 27741.8247417144. The cubic root of 769608840 is about 916.4104140282.
The spelling of 769608840 in words is "seven hundred sixty-nine million, six hundred eight thousand, eight hundred forty".
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