Base | Representation |
---|---|
bin | 1001100101001… |
… | …11011010010010 |
3 | 12121020121012002 |
4 | 10302213122102 |
5 | 131034034430 |
6 | 11550434002 |
7 | 1664124464 |
oct | 462473222 |
9 | 177217162 |
10 | 80377490 |
11 | 41409886 |
12 | 22b02902 |
13 | 1386315b |
14 | a964134 |
15 | 70ca845 |
hex | 4ca7692 |
80377490 has 8 divisors (see below), whose sum is σ = 144679500. Its totient is φ = 32150992.
The previous prime is 80377487. The next prime is 80377499. The reversal of 80377490 is 9477308.
It can be written as a sum of positive squares in 2 ways, for example, as 77141089 + 3236401 = 8783^2 + 1799^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (80377499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018865 + ... + 4018884.
Almost surely, 280377490 is an apocalyptic number.
80377490 is a deficient number, since it is larger than the sum of its proper divisors (64302010).
80377490 is a wasteful number, since it uses less digits than its factorization.
80377490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8037756.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 80377490 is about 8965.3494075803. The cubic root of 80377490 is about 431.5636060981.
The spelling of 80377490 in words is "eighty million, three hundred seventy-seven thousand, four hundred ninety".
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