Search a number
-
+
80707801 = 1926915791
BaseRepresentation
bin1001100111110…
…00000011011001
312121212101021211
410303320003121
5131130122201
612001503121
72000001466
oct463700331
9177771254
1080707801
1141614a69
1223041aa1
131394a5c5
14aa0c66d
157143651
hex4cf80d9

80707801 has 8 divisors (see below), whose sum is σ = 85276800. Its totient is φ = 76170960.

The previous prime is 80707799. The next prime is 80707829. The reversal of 80707801 is 10870708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80707801 - 21 = 80707799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80707831) 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 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (10659600).

Almost surely, 280707801 is an apocalyptic number.

It is an amenable number.

80707801 is a deficient number, since it is larger than the sum of its proper divisors (4568999).

80707801 is a wasteful number, since it uses less digits than its factorization.

80707801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 80707801 is about 8983.7520557950. The cubic root of 80707801 is about 432.1539678235.

The spelling of 80707801 in words is "eighty million, seven hundred seven thousand, eight hundred one".

Divisors: 1 19 269 5111 15791 300029 4247779 80707801