Base | Representation |
---|---|
bin | 10110101010001… |
… | …011101000100000 |
3 | 222111022221121110 |
4 | 112222023220200 |
5 | 1234310001243 |
6 | 101420023320 |
7 | 12264163560 |
oct | 2652135040 |
9 | 874287543 |
10 | 380156448 |
11 | 185652191 |
12 | a7391b40 |
13 | 609b4459 |
14 | 386bada0 |
15 | 23593e33 |
hex | 16a8ba20 |
380156448 has 192 divisors, whose sum is σ = 1222760448. Its totient is φ = 100945920.
The previous prime is 380156437. The next prime is 380156473. The reversal of 380156448 is 844651083.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222213 + ... + 1222523.
It is an arithmetic number, because the mean of its divisors is an integer number (6368544).
Almost surely, 2380156448 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 380156448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611380224).
380156448 is an abundant number, since it is smaller than the sum of its proper divisors (842604000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380156448 is a wasteful number, since it uses less digits than its factorization.
380156448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455 (or 447 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 380156448 is about 19497.6010832102. The cubic root of 380156448 is about 724.4150322269.
The spelling of 380156448 in words is "three hundred eighty million, one hundred fifty-six thousand, four hundred forty-eight".
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