Base | Representation |
---|---|
bin | 1001001001111… |
… | …10001111001011 |
3 | 12100111220010102 |
4 | 10210332033023 |
5 | 124130112341 |
6 | 11342040015 |
7 | 1621540352 |
oct | 444761713 |
9 | 170456112 |
10 | 76800971 |
11 | 3a396785 |
12 | 2187900b |
13 | 12bb0280 |
14 | a2b2999 |
15 | 6b20c9b |
hex | 493e3cb |
76800971 has 4 divisors (see below), whose sum is σ = 82708752. Its totient is φ = 70893192.
The previous prime is 76800947. The next prime is 76800973. The reversal of 76800971 is 17900867.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 76800971 - 218 = 76538827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76800973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953871 + ... + 2953896.
It is an arithmetic number, because the mean of its divisors is an integer number (20677188).
Almost surely, 276800971 is an apocalyptic number.
76800971 is a deficient number, since it is larger than the sum of its proper divisors (5907781).
76800971 is a wasteful number, since it uses less digits than its factorization.
76800971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5907780.
The product of its (nonzero) digits is 21168, while the sum is 38.
The square root of 76800971 is about 8763.6163197621. The cubic root of 76800971 is about 425.0652190569.
The spelling of 76800971 in words is "seventy-six million, eight hundred thousand, nine hundred seventy-one".
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