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80825364 = 2234313797
BaseRepresentation
bin1001101000101…
…00110000010100
312122002100120000
410310110300110
5131142402424
612004211300
72001001314
oct464246024
9178070500
1080825364
1141695324
1223099b30
131398bc79
14aa3d444
1571683c9
hex4d14c14

80825364 has 60 divisors (see below), whose sum is σ = 212234484. Its totient is φ = 26822016.

The previous prime is 80825363. The next prime is 80825377. The reversal of 80825364 is 46352808.

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 67076100 = 3708^2 + 8190^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80825363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101014 + ... + 101810.

Almost surely, 280825364 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 80825364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106117242).

80825364 is an abundant number, since it is smaller than the sum of its proper divisors (131409120).

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

80825364 is a wasteful number, since it uses less digits than its factorization.

80825364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 80825364 is about 8990.2927649771. The cubic root of 80825364 is about 432.3636983481.

The spelling of 80825364 in words is "eighty million, eight hundred twenty-five thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 313 324 626 797 939 1252 1594 1878 2391 2817 3188 3756 4782 5634 7173 8451 9564 11268 14346 16902 21519 25353 28692 33804 43038 50706 64557 86076 101412 129114 249461 258228 498922 748383 997844 1496766 2245149 2993532 4490298 6735447 8980596 13470894 20206341 26941788 40412682 80825364