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380777 is a prime number
BaseRepresentation
bin1011100111101101001
3201100022212
41130331221
544141102
612054505
73144065
oct1347551
9640285
10380777
112400a1
12164435
13104417
149caa5
1577c52
hex5cf69

380777 has 2 divisors, whose sum is σ = 380778. Its totient is φ = 380776.

The previous prime is 380753. The next prime is 380797. The reversal of 380777 is 777083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 33856 = 589^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 380777 - 26 = 380713 is a prime.

It is a super-2 number, since 2×3807772 = 289982247458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (380707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190388 + 190389.

It is an arithmetic number, because the mean of its divisors is an integer number (190389).

2380777 is an apocalyptic number.

It is an amenable number.

380777 is a deficient number, since it is larger than the sum of its proper divisors (1).

380777 is an equidigital number, since it uses as much as digits as its factorization.

380777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 380777 is about 617.0713086832. The cubic root of 380777 is about 72.4808986540.

The spelling of 380777 in words is "three hundred eighty thousand, seven hundred seventy-seven".