Base | Representation |
---|---|
bin | 10111011001001… |
… | …011010111110000 |
3 | 1000100111212001111 |
4 | 113121023113300 |
5 | 1300433214034 |
6 | 102540043104 |
7 | 12503664214 |
oct | 2731132760 |
9 | 1010455044 |
10 | 392476144 |
11 | 1915a7155 |
12 | ab533494 |
13 | 63408b08 |
14 | 3a1a6944 |
15 | 246c9364 |
hex | 1764b5f0 |
392476144 has 40 divisors (see below), whose sum is σ = 813028320. Its totient is φ = 182888448.
The previous prime is 392476129. The next prime is 392476153. The reversal of 392476144 is 441674293.
It is a junction number, because it is equal to n+sod(n) for n = 392476097 and 392476106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21012 + ... + 35020.
It is an arithmetic number, because the mean of its divisors is an integer number (20325708).
Almost surely, 2392476144 is an apocalyptic number.
392476144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 392476144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406514160).
392476144 is an abundant number, since it is smaller than the sum of its proper divisors (420552176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392476144 is a wasteful number, since it uses less digits than its factorization.
392476144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14137 (or 14131 counting only the distinct ones).
The product of its digits is 145152, while the sum is 40.
The square root of 392476144 is about 19811.0106758843. The cubic root of 392476144 is about 732.1573412360.
The spelling of 392476144 in words is "three hundred ninety-two million, four hundred seventy-six thousand, one hundred forty-four".
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