Search a number
-
+
103253861 is a prime number
BaseRepresentation
bin1100010011110…
…00011101100101
321012021211200002
412021320131211
5202413110421
614125031045
72362433444
oct611703545
9235254602
10103253861
1153314177
122a6b5485
1318512879
14d9dad5b
1590e8b0b
hex6278765

103253861 has 2 divisors, whose sum is σ = 103253862. Its totient is φ = 103253860.

The previous prime is 103253849. The next prime is 103253897. The reversal of 103253861 is 168352301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 231361 = 10150^2 + 481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103253861 is a prime.

It is a super-2 number, since 2×1032538612 = 21322719622814642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103253561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51626930 + 51626931.

It is an arithmetic number, because the mean of its divisors is an integer number (51626931).

Almost surely, 2103253861 is an apocalyptic number.

It is an amenable number.

103253861 is a deficient number, since it is larger than the sum of its proper divisors (1).

103253861 is an equidigital number, since it uses as much as digits as its factorization.

103253861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103253861 is about 10161.3907020644. The cubic root of 103253861 is about 469.1396074373.

The spelling of 103253861 in words is "one hundred three million, two hundred fifty-three thousand, eight hundred sixty-one".