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378004313 is a prime number
BaseRepresentation
bin10110100001111…
…110001101011001
3222100021121102202
4112201332031121
51233232114223
6101301535545
712236661251
oct2641761531
9870247382
10378004313
11184412265
12a67145b5
136040c9bb
14382ba961
15232bb428
hex1687e359

378004313 has 2 divisors, whose sum is σ = 378004314. Its totient is φ = 378004312.

The previous prime is 378004307. The next prime is 378004331. The reversal of 378004313 is 313400873.

Together with next prime (378004331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377408329 + 595984 = 19427^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 378004313 - 210 = 378003289 is a prime.

It is not a weakly prime, because it can be changed into another prime (378004513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189002156 + 189002157.

It is an arithmetic number, because the mean of its divisors is an integer number (189002157).

Almost surely, 2378004313 is an apocalyptic number.

It is an amenable number.

378004313 is a deficient number, since it is larger than the sum of its proper divisors (1).

378004313 is an equidigital number, since it uses as much as digits as its factorization.

378004313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 378004313 is about 19442.3330132986. Note that the first 3 decimals coincide. The cubic root of 378004313 is about 723.0454292272.

The spelling of 378004313 in words is "three hundred seventy-eight million, four thousand, three hundred thirteen".