Base | Representation |
---|---|
bin | 10011011001111… |
… | …01001110010000 |
3 | 102100022002020200 |
4 | 21230331032100 |
5 | 313132430143 |
6 | 24052535200 |
7 | 4014415254 |
oct | 1154751620 |
9 | 370262220 |
10 | 162780048 |
11 | 83981072 |
12 | 46621500 |
13 | 27954c72 |
14 | 17894264 |
15 | e4561d3 |
hex | 9b3d390 |
162780048 has 30 divisors (see below), whose sum is σ = 455558454. Its totient is φ = 54259968.
The previous prime is 162780043. The next prime is 162780097. The reversal of 162780048 is 840087261.
162780048 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 only one way, i.e., 154554624 + 8225424 = 12432^2 + 2868^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 162779994 and 162780021.
It is not an unprimeable number, because it can be changed into a prime (162780041) 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, 565065 + ... + 565352.
Almost surely, 2162780048 is an apocalyptic number.
162780048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
162780048 is an abundant number, since it is smaller than the sum of its proper divisors (292778406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
162780048 is a wasteful number, since it uses less digits than its factorization.
162780048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130431 (or 1130422 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 162780048 is about 12758.5284417914. The cubic root of 162780048 is about 546.0097410008.
The spelling of 162780048 in words is "one hundred sixty-two million, seven hundred eighty thousand, forty-eight".
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