Search a number
-
+
80755960 = 2352018899
BaseRepresentation
bin1001101000000…
…11110011111000
312121221211100111
410310003303320
5131133142320
612002514104
72000262055
oct464036370
9177854314
1080755960
114164816a
1223065934
13139664bc
14aa2202c
157152a5a
hex4d03cf8

80755960 has 16 divisors (see below), whose sum is σ = 181701000. Its totient is φ = 32302368.

The previous prime is 80755957. The next prime is 80755963. The reversal of 80755960 is 6955708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80755957) and next prime (80755963).

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2018899 = 80755960 / (8 + 0 + 7 + 5 + 5 + 9 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80755963) 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, 1009410 + ... + 1009489.

Almost surely, 280755960 is an apocalyptic number.

It is an amenable number.

80755960 is an abundant number, since it is smaller than the sum of its proper divisors (100945040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80755960 is a wasteful number, since it uses less digits than its factorization.

80755960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018910 (or 2018906 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 80755960 is about 8986.4319949577. The cubic root of 80755960 is about 432.2399073257.

The spelling of 80755960 in words is "eighty million, seven hundred fifty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2018899 4037798 8075596 10094495 16151192 20188990 40377980 80755960