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380520229 is a prime number
BaseRepresentation
bin10110101011100…
…100011100100101
3222112000102121211
4112223210130211
51234403121404
6101431511421
712300240265
oct2653443445
9875012554
10380520229
11185880531
12a7528571
1360ab0bcb
14387737a5
1523616b04
hex16ae4725

380520229 has 2 divisors, whose sum is σ = 380520230. Its totient is φ = 380520228.

The previous prime is 380520209. The next prime is 380520241. The reversal of 380520229 is 922025083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379197729 + 1322500 = 19473^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 380520229 - 29 = 380519717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380520229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380520209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190260114 + 190260115.

It is an arithmetic number, because the mean of its divisors is an integer number (190260115).

Almost surely, 2380520229 is an apocalyptic number.

It is an amenable number.

380520229 is a deficient number, since it is larger than the sum of its proper divisors (1).

380520229 is an equidigital number, since it uses as much as digits as its factorization.

380520229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 380520229 is about 19506.9277181211. The cubic root of 380520229 is about 724.6460287127.

The spelling of 380520229 in words is "three hundred eighty million, five hundred twenty thousand, two hundred twenty-nine".