Base | Representation |
---|---|
bin | 10110100011110… |
… | …110100010001000 |
3 | 222101012122111100 |
4 | 112203312202020 |
5 | 1233343402120 |
6 | 101320301400 |
7 | 12244113156 |
oct | 2643664210 |
9 | 871178440 |
10 | 378497160 |
11 | 184719578 |
12 | a6911860 |
13 | 60553122 |
14 | 383a83d6 |
15 | 23367490 |
hex | 168f6888 |
378497160 has 96 divisors (see below), whose sum is σ = 1232726040. Its totient is φ = 100718592.
The previous prime is 378497149. The next prime is 378497173. The reversal of 378497160 is 61794873.
It can be written as a sum of positive squares in 4 ways, for example, as 336428964 + 42068196 = 18342^2 + 6486^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242944 + ... + 244496.
Almost surely, 2378497160 is an apocalyptic number.
378497160 is a gapful number since it is divisible by the number (30) 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 378497160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616363020).
378497160 is an abundant number, since it is smaller than the sum of its proper divisors (854228880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378497160 is a wasteful number, since it uses less digits than its factorization.
378497160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2247 (or 2240 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 378497160 is about 19455.0034695448. The cubic root of 378497160 is about 723.3595314732.
The spelling of 378497160 in words is "three hundred seventy-eight million, four hundred ninety-seven thousand, one hundred sixty".
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