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380946733 is a prime number
BaseRepresentation
bin10110101101001…
…100100100101101
3222112211002200021
4112231030210231
51240010243413
6101445002141
712303664606
oct2655144455
9875732607
10380946733
11186041a12
12a76b3351
1360c0008b
1438844dad
152369d18d
hex16b4c92d

380946733 has 2 divisors, whose sum is σ = 380946734. Its totient is φ = 380946732.

The previous prime is 380946667. The next prime is 380946757. The reversal of 380946733 is 337649083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347561449 + 33385284 = 18643^2 + 5778^2 .

It is an emirp because it is prime and its reverse (337649083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380946733 - 225 = 347392301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380946733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380946763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190473366 + 190473367.

It is an arithmetic number, because the mean of its divisors is an integer number (190473367).

Almost surely, 2380946733 is an apocalyptic number.

It is an amenable number.

380946733 is a deficient number, since it is larger than the sum of its proper divisors (1).

380946733 is an equidigital number, since it uses as much as digits as its factorization.

380946733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 380946733 is about 19517.8567727094. The cubic root of 380946733 is about 724.9166661252.

The spelling of 380946733 in words is "three hundred eighty million, nine hundred forty-six thousand, seven hundred thirty-three".