Base | Representation |
---|---|
bin | 10110100010101… |
… | …000010100001100 |
3 | 222100121101000102 |
4 | 112202220110030 |
5 | 1233303124110 |
6 | 101305350232 |
7 | 12241310132 |
oct | 2642502414 |
9 | 870541012 |
10 | 378176780 |
11 | 18451a8a3 |
12 | a6798378 |
13 | 60470357 |
14 | 38323752 |
15 | 233025a5 |
hex | 168a850c |
378176780 has 24 divisors (see below), whose sum is σ = 797741952. Its totient is φ = 150590592.
The previous prime is 378176767. The next prime is 378176797. The reversal of 378176780 is 87671873.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37937 + ... + 46856.
It is an arithmetic number, because the mean of its divisors is an integer number (33239248).
Almost surely, 2378176780 is an apocalyptic number.
It is an amenable number.
378176780 is an abundant number, since it is smaller than the sum of its proper divisors (419565172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378176780 is a wasteful number, since it uses less digits than its factorization.
378176780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85025 (or 85023 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 47.
The square root of 378176780 is about 19446.7678548390. The cubic root of 378176780 is about 723.1553772809.
The spelling of 378176780 in words is "three hundred seventy-eight million, one hundred seventy-six thousand, seven hundred eighty".
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