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808148148 = 2232322712899
BaseRepresentation
bin110000001010110…
…101110010110100
32002022200011211220
4300022311302310
53123341220043
6212105230340
726012101023
oct6012656264
92068604756
10808148148
113851a6735
121a67923b0
13cb576892
147948a8ba
154ae36483
hex302b5cb4

808148148 has 48 divisors (see below), whose sum is σ = 1976486400. Its totient is φ = 256515424.

The previous prime is 808148129. The next prime is 808148153. The reversal of 808148148 is 841841808.

808148148 is a modest number, since divided by 148148 gives 808 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56203 + ... + 69101.

It is an arithmetic number, because the mean of its divisors is an integer number (41176800).

Almost surely, 2808148148 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 808148148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988243200).

808148148 is an abundant number, since it is smaller than the sum of its proper divisors (1168338252).

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

808148148 is a wasteful number, since it uses less digits than its factorization.

808148148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 808148148 is about 28427.9466018916. The cubic root of 808148148 is about 931.4588227227.

The spelling of 808148148 in words is "eight hundred eight million, one hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 227 276 454 681 908 1362 2724 5221 10442 12899 15663 20884 25798 31326 38697 51596 62652 77394 154788 296677 593354 890031 1186708 1780062 2928073 3560124 5856146 8784219 11712292 17568438 35136876 67345679 134691358 202037037 269382716 404074074 808148148