Base | Representation |
---|---|
bin | 1001001010000… |
… | …00010110000001 |
3 | 12100112022222001 |
4 | 10211000112001 |
5 | 124130401401 |
6 | 11342144001 |
7 | 1621604461 |
oct | 445002601 |
9 | 170468861 |
10 | 76809601 |
11 | 3a3a2210 |
12 | 21882001 |
13 | 12bb418b |
14 | a2b5ba1 |
15 | 6b23601 |
hex | 4940581 |
76809601 has 4 divisors (see below), whose sum is σ = 83792304. Its totient is φ = 69826900.
The previous prime is 76809569. The next prime is 76809613. The reversal of 76809601 is 10690867.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 76809601 - 25 = 76809569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76809631) 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, 3491335 + ... + 3491356.
It is an arithmetic number, because the mean of its divisors is an integer number (20948076).
Almost surely, 276809601 is an apocalyptic number.
It is an amenable number.
76809601 is a deficient number, since it is larger than the sum of its proper divisors (6982703).
76809601 is a wasteful number, since it uses less digits than its factorization.
76809601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6982702.
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 76809601 is about 8764.1086825758. The cubic root of 76809601 is about 425.0811397560.
The spelling of 76809601 in words is "seventy-six million, eight hundred nine thousand, six hundred one".
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