Base | Representation |
---|---|
bin | 10110100010001… |
… | …110110110011001 |
3 | 222100102001221012 |
4 | 112202032312121 |
5 | 1233241304343 |
6 | 101303223305 |
7 | 12240364052 |
oct | 2642166631 |
9 | 870361835 |
10 | 378072473 |
11 | 184459499 |
12 | a6747b35 |
13 | 60434a2c |
14 | 382d7729 |
15 | 232d1718 |
hex | 1688ed99 |
378072473 has 4 divisors (see below), whose sum is σ = 378156240. Its totient is φ = 377988708.
The previous prime is 378072377. The next prime is 378072481. The reversal of 378072473 is 374270873.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 378072473 - 212 = 378068377 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 378072473.
It is not an unprimeable number, because it can be changed into a prime (378072493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34703 + ... + 44276.
It is an arithmetic number, because the mean of its divisors is an integer number (94539060).
Almost surely, 2378072473 is an apocalyptic number.
It is an amenable number.
378072473 is a deficient number, since it is larger than the sum of its proper divisors (83767).
378072473 is an equidigital number, since it uses as much as digits as its factorization.
378072473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83766.
The product of its (nonzero) digits is 197568, while the sum is 41.
The square root of 378072473 is about 19444.0858103435. The cubic root of 378072473 is about 723.0888853580.
The spelling of 378072473 in words is "three hundred seventy-eight million, seventy-two thousand, four hundred seventy-three".
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