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828228258 = 2321113794073
BaseRepresentation
bin110001010111011…
…100001010100010
32010201110100120200
4301113130022202
53144011301013
6214103450030
726344552434
oct6127341242
92121410520
10828228258
11395571170
121b1456916
131027875c0
147bdd6654
154caa0e73
hex315dc2a2

828228258 has 96 divisors (see below), whose sum is σ = 2135427840. Its totient is φ = 228683520.

The previous prime is 828228251. The next prime is 828228263. The reversal of 828228258 is 852822828.

It is not an unprimeable number, because it can be changed into a prime (828228251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201310 + ... + 205382.

It is an arithmetic number, because the mean of its divisors is an integer number (22244040).

Almost surely, 2828228258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828228258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067713920).

828228258 is an abundant number, since it is smaller than the sum of its proper divisors (1307199582).

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

828228258 is a wasteful number, since it uses less digits than its factorization.

828228258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4181 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 828228258 is about 28778.9551234926. The cubic root of 828228258 is about 939.1104675298.

The spelling of 828228258 in words is "eight hundred twenty-eight million, two hundred twenty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 11 13 18 22 26 33 39 66 78 79 99 117 143 158 198 234 237 286 429 474 711 858 869 1027 1287 1422 1738 2054 2574 2607 3081 4073 5214 6162 7821 8146 9243 11297 12219 15642 18486 22594 24438 33891 36657 44803 52949 67782 73314 89606 101673 105898 134409 158847 203346 268818 317694 321767 403227 476541 582439 643534 806454 953082 965301 1164878 1747317 1930602 2895903 3494634 3539437 4182971 5241951 5791806 7078874 8365942 10483902 10618311 12548913 21236622 25097826 31854933 37646739 46012681 63709866 75293478 92025362 138038043 276076086 414114129 828228258