Base | Representation |
---|---|
bin | 11011111010000… |
… | …111110011011100 |
3 | 1012122001002200000 |
4 | 123322013303130 |
5 | 1424331034043 |
6 | 114243334300 |
7 | 14413546143 |
oct | 3372076334 |
9 | 1178032600 |
10 | 468221148 |
11 | 22033152a |
12 | 110981390 |
13 | 76009545 |
14 | 4628275a |
15 | 2b18c2d3 |
hex | 1be87cdc |
468221148 has 144 divisors (see below), whose sum is σ = 1301314560. Its totient is φ = 146966400.
The previous prime is 468221147. The next prime is 468221183. The reversal of 468221148 is 841122864.
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 (468221141) 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, 1235223 + ... + 1235601.
Almost surely, 2468221148 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 468221148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650657280).
468221148 is an abundant number, since it is smaller than the sum of its proper divisors (833093412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
468221148 is a wasteful number, since it uses less digits than its factorization.
468221148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470 (or 456 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 468221148 is about 21638.4183340650. The cubic root of 468221148 is about 776.5158803551.
The spelling of 468221148 in words is "four hundred sixty-eight million, two hundred twenty-one thousand, one hundred forty-eight".
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