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348632077 is a prime number
BaseRepresentation
bin10100110001111…
…011010000001101
3220022000100022011
4110301323100031
51203222211302
654332221221
711432216023
oct2461732015
9808010264
10348632077
11169880492
129890a811
13572c7691
1434432713
15209185d7
hex14c7b40d

348632077 has 2 divisors, whose sum is σ = 348632078. Its totient is φ = 348632076.

The previous prime is 348632071. The next prime is 348632087. The reversal of 348632077 is 770236843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348419556 + 212521 = 18666^2 + 461^2 .

It is an emirp because it is prime and its reverse (770236843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348632077 - 27 = 348631949 is a prime.

It is a super-2 number, since 2×3486320772 = 243088650226667858, which contains 22 as substring.

It is a Chen prime.

It is equal to p18733729 and since 348632077 and 18733729 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348632071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174316038 + 174316039.

It is an arithmetic number, because the mean of its divisors is an integer number (174316039).

Almost surely, 2348632077 is an apocalyptic number.

It is an amenable number.

348632077 is a deficient number, since it is larger than the sum of its proper divisors (1).

348632077 is an equidigital number, since it uses as much as digits as its factorization.

348632077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 348632077 is about 18671.6918622818. The cubic root of 348632077 is about 703.8105638340.

The spelling of 348632077 in words is "three hundred forty-eight million, six hundred thirty-two thousand, seventy-seven".