Base | Representation |
---|---|
bin | 10001110000101… |
… | …01011001111101 |
3 | 101101100020122100 |
4 | 20320111121331 |
5 | 301120013334 |
6 | 22441135313 |
7 | 3456232653 |
oct | 1070253175 |
9 | 341306570 |
10 | 148985469 |
11 | 77109a96 |
12 | 41a8a539 |
13 | 24b351a9 |
14 | 15b02dd3 |
15 | d12dc99 |
hex | 8e1567d |
148985469 has 6 divisors (see below), whose sum is σ = 215201246. Its totient is φ = 99323640.
The previous prime is 148985453. The next prime is 148985471. The reversal of 148985469 is 964589841.
148985469 is a `hidden beast` number, since 1 + 4 + 8 + 98 + 546 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 147914244 + 1071225 = 12162^2 + 1035^2 .
It is not a de Polignac number, because 148985469 - 24 = 148985453 is a prime.
It is a super-2 number, since 2×1489854692 = 44393339946299922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148985429) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8276962 + ... + 8276979.
Almost surely, 2148985469 is an apocalyptic number.
It is an amenable number.
148985469 is a deficient number, since it is larger than the sum of its proper divisors (66215777).
148985469 is a wasteful number, since it uses less digits than its factorization.
148985469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16553947 (or 16553944 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 54.
The square root of 148985469 is about 12205.9603882693. The cubic root of 148985469 is about 530.1286847844.
The spelling of 148985469 in words is "one hundred forty-eight million, nine hundred eighty-five thousand, four hundred sixty-nine".
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