Base | Representation |
---|---|
bin | 10110100010011… |
… | …101111000001100 |
3 | 222100112012101000 |
4 | 112202131320030 |
5 | 1233300242103 |
6 | 101304420300 |
7 | 12241041366 |
oct | 2642357014 |
9 | 870465330 |
10 | 378134028 |
11 | 1844a0768 |
12 | a6777690 |
13 | 60456a5c |
14 | 38311d36 |
15 | 232e4aa3 |
hex | 1689de0c |
378134028 has 48 divisors (see below), whose sum is σ = 981403360. Its totient is φ = 125908992.
The previous prime is 378134027. The next prime is 378134093. The reversal of 378134028 is 820431873.
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 = 378133983 and 378134001.
It is not an unprimeable number, because it can be changed into a prime (378134023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177900 + ... + 180012.
Almost surely, 2378134028 is an apocalyptic number.
It is an amenable number.
378134028 is an abundant number, since it is smaller than the sum of its proper divisors (603269332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378134028 is a wasteful number, since it uses less digits than its factorization.
378134028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3783 (or 3775 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 378134028 is about 19445.6686179725. The cubic root of 378134028 is about 723.1281259130.
The spelling of 378134028 in words is "three hundred seventy-eight million, one hundred thirty-four thousand, twenty-eight".
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