Base | Representation |
---|---|
bin | 1001001001000… |
… | …01101010000010 |
3 | 12100021221112200 |
4 | 10210201222002 |
5 | 124112341111 |
6 | 11335334030 |
7 | 1620542145 |
oct | 444415202 |
9 | 170257480 |
10 | 76683906 |
11 | 3a316832 |
12 | 21821316 |
13 | 12b6bbc0 |
14 | a28205c |
15 | 6aeb256 |
hex | 4921a82 |
76683906 has 96 divisors (see below), whose sum is σ = 194948208. Its totient is φ = 21565440.
The previous prime is 76683883. The next prime is 76683907. The reversal of 76683906 is 60938667.
It can be written as a sum of positive squares in 8 ways, for example, as 43678881 + 33005025 = 6609^2 + 5745^2 .
It is not an unprimeable number, because it can be changed into a prime (76683907) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146926 + ... + 147446.
Almost surely, 276683906 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 76683906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97474104).
76683906 is an abundant number, since it is smaller than the sum of its proper divisors (118264302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76683906 is a wasteful number, since it uses less digits than its factorization.
76683906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 596 (or 593 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 76683906 is about 8756.9347376808. The cubic root of 76683906 is about 424.8491386122.
The spelling of 76683906 in words is "seventy-six million, six hundred eighty-three thousand, nine hundred six".
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