Search a number
-
+
80055108 = 22337176229
BaseRepresentation
bin1001100010110…
…00101101000100
312120122012222000
410301120231010
5130443230413
611535505300
71661312550
oct461305504
9176565860
1080055108
1141209651
1222988230
131377c4b3
14a8bc860
157065073
hex4c58b44

80055108 has 96 divisors (see below), whose sum is σ = 251193600. Its totient is φ = 21523968.

The previous prime is 80055103. The next prime is 80055137. The reversal of 80055108 is 80155008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80055103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9738 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (2616600).

Almost surely, 280055108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80055108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125596800).

80055108 is an abundant number, since it is smaller than the sum of its proper divisors (171138492).

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

80055108 is a wasteful number, since it uses less digits than its factorization.

80055108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266 (or 6258 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 80055108 is about 8947.3520105113. The cubic root of 80055108 is about 430.9858541195.

The spelling of 80055108 in words is "eighty million, fifty-five thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 51 54 63 68 84 102 108 119 126 153 189 204 238 252 306 357 378 459 476 612 714 756 918 1071 1428 1836 2142 3213 4284 6229 6426 12458 12852 18687 24916 37374 43603 56061 74748 87206 105893 112122 130809 168183 174412 211786 224244 261618 317679 336366 392427 423572 523236 635358 672732 741251 784854 953037 1177281 1270716 1482502 1569708 1906074 2223753 2354562 2859111 2965004 3812148 4447506 4709124 5718222 6671259 8895012 11436444 13342518 20013777 26685036 40027554 80055108