Search a number
-
+
80583055 = 575343441
BaseRepresentation
bin1001100110110…
…01100110001111
312121122001011121
410303121212033
5131112124210
611555101411
71665642010
oct463314617
9177561147
1080583055
114153a273
1222ba1867
13139058a7
14a9b9007
15711b6da
hex4cd998f

80583055 has 16 divisors (see below), whose sum is σ = 112601664. Its totient is φ = 54213120.

The previous prime is 80583049. The next prime is 80583059. The reversal of 80583055 is 55038508.

It is not a de Polignac number, because 80583055 - 27 = 80582927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80583055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80583059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19866 + ... + 23575.

It is an arithmetic number, because the mean of its divisors is an integer number (7037604).

Almost surely, 280583055 is an apocalyptic number.

80583055 is a deficient number, since it is larger than the sum of its proper divisors (32018609).

80583055 is a wasteful number, since it uses less digits than its factorization.

80583055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43506.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 80583055 is about 8976.8065034287. The cubic root of 80583055 is about 431.9312001061.

The spelling of 80583055 in words is "eighty million, five hundred eighty-three thousand, fifty-five".

Divisors: 1 5 7 35 53 265 371 1855 43441 217205 304087 1520435 2302373 11511865 16116611 80583055