Search a number
-
+
103279081 is a prime number
BaseRepresentation
bin1100010011111…
…10100111101001
321012100010021011
412021332213221
5202414412311
614125343521
72362600123
oct611764751
9235303234
10103279081
1153331114
122a707ba1
13185211a9
14da06213
159101321
hex627e9e9

103279081 has 2 divisors, whose sum is σ = 103279082. Its totient is φ = 103279080.

The previous prime is 103279051. The next prime is 103279091. The reversal of 103279081 is 180972301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93915481 + 9363600 = 9691^2 + 3060^2 .

It is a cyclic number.

It is not a de Polignac number, because 103279081 - 27 = 103278953 is a prime.

It is a super-2 number, since 2×1032790812 = 21333137144409122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103279051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51639540 + 51639541.

It is an arithmetic number, because the mean of its divisors is an integer number (51639541).

Almost surely, 2103279081 is an apocalyptic number.

It is an amenable number.

103279081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103279081 is an equidigital number, since it uses as much as digits as its factorization.

103279081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 103279081 is about 10162.6315981639. The cubic root of 103279081 is about 469.1778004811.

The spelling of 103279081 in words is "one hundred three million, two hundred seventy-nine thousand, eighty-one".