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377000081 is a prime number
BaseRepresentation
bin10110011110001…
…001000010010001
3222021101120212222
4112132021002101
51233003000311
6101224230425
712225306413
oct2636110221
9867346788
10377000081
11183896817
12a630b415
136014a893
14380d89b3
152316dadb
hex16789091

377000081 has 2 divisors, whose sum is σ = 377000082. Its totient is φ = 377000080.

The previous prime is 377000051. The next prime is 377000119. The reversal of 377000081 is 180000773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189310081 + 187690000 = 13759^2 + 13700^2 .

It is a cyclic number.

It is not a de Polignac number, because 377000081 - 222 = 372805777 is a prime.

It is a super-2 number, since 2×3770000812 = 284258122148013122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 377000081.

It is not a weakly prime, because it can be changed into another prime (377000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188500040 + 188500041.

It is an arithmetic number, because the mean of its divisors is an integer number (188500041).

Almost surely, 2377000081 is an apocalyptic number.

It is an amenable number.

377000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

377000081 is an equidigital number, since it uses as much as digits as its factorization.

377000081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 377000081 is about 19416.4899248036. The cubic root of 377000081 is about 722.4045641275.

The spelling of 377000081 in words is "three hundred seventy-seven million, eighty-one", and thus it is an aban number.