Base | Representation |
---|---|
bin | 10001010011111… |
… | …00110110100010 |
3 | 101010020200100222 |
4 | 20221330312202 |
5 | 244133334012 |
6 | 22224243042 |
7 | 3412210001 |
oct | 1051746642 |
9 | 333220328 |
10 | 145214882 |
11 | 74a740aa |
12 | 40770482 |
13 | 24114b87 |
14 | 15400c38 |
15 | cb36972 |
hex | 8a7cda2 |
145214882 has 6 divisors (see below), whose sum is σ = 217847889. Its totient is φ = 72598920.
The previous prime is 145214869. The next prime is 145214897. The reversal of 145214882 is 288412541.
145214882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 145178401 + 36481 = 12049^2 + 191^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8521.
It is a super-3 number, since 3×1452148823 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12782 + ... + 21302.
Almost surely, 2145214882 is an apocalyptic number.
145214882 is a deficient number, since it is larger than the sum of its proper divisors (72633007).
145214882 is an frugal number, since it uses more digits than its factorization.
145214882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17044 (or 8523 counting only the distinct ones).
The product of its digits is 20480, while the sum is 35.
The square root of 145214882 is about 12050.5137649811. The cubic root of 145214882 is about 525.6181767369.
The spelling of 145214882 in words is "one hundred forty-five million, two hundred fourteen thousand, eight hundred eighty-two".
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