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380439307 is a prime number
BaseRepresentation
bin10110101011010…
…000101100001011
3222111212022121201
4112223100230023
51234343024212
6101430045031
712266452333
oct2653205413
9874768551
10380439307
11185825756
12a74a9777
1360a83121
14387520c3
15235ecb57
hex16ad0b0b

380439307 has 2 divisors, whose sum is σ = 380439308. Its totient is φ = 380439306.

The previous prime is 380439271. The next prime is 380439317. The reversal of 380439307 is 703934083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380439307 - 211 = 380437259 is a prime.

It is not a weakly prime, because it can be changed into another prime (380439317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190219653 + 190219654.

It is an arithmetic number, because the mean of its divisors is an integer number (190219654).

Almost surely, 2380439307 is an apocalyptic number.

380439307 is a deficient number, since it is larger than the sum of its proper divisors (1).

380439307 is an equidigital number, since it uses as much as digits as its factorization.

380439307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 380439307 is about 19504.8534216487. The cubic root of 380439307 is about 724.5946569688.

The spelling of 380439307 in words is "three hundred eighty million, four hundred thirty-nine thousand, three hundred seven".