Base | Representation |
---|---|
bin | 1001001010101… |
… | …11111010011101 |
3 | 12100201020101121 |
4 | 10211113322131 |
5 | 124141444031 |
6 | 11344210541 |
7 | 1622456104 |
oct | 445277235 |
9 | 170636347 |
10 | 76906141 |
11 | 3a4587a4 |
12 | 21909a51 |
13 | 12c190c0 |
14 | a2dd03b |
15 | 6b42011 |
hex | 4957e9d |
76906141 has 4 divisors (see below), whose sum is σ = 82822012. Its totient is φ = 70990272.
The previous prime is 76906121. The next prime is 76906163. The reversal of 76906141 is 14160967.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 71825625 = 2254^2 + 8475^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-76906141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 76906097 and 76906106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76906111) 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, 2957916 + ... + 2957941.
It is an arithmetic number, because the mean of its divisors is an integer number (20705503).
Almost surely, 276906141 is an apocalyptic number.
It is an amenable number.
76906141 is a deficient number, since it is larger than the sum of its proper divisors (5915871).
76906141 is a wasteful number, since it uses less digits than its factorization.
76906141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5915870.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 76906141 is about 8769.6146437572. The cubic root of 76906141 is about 425.2591563571.
It can be divided in two parts, 7690 and 6141, that added together give a palindrome (13831).
The spelling of 76906141 in words is "seventy-six million, nine hundred six thousand, one hundred forty-one".
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