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102269941 is a prime number
BaseRepresentation
bin1100001100010…
…00001111110101
321010102211222121
412012020033311
5202140114231
614051555541
72351165044
oct606101765
9233384877
10102269941
1152801a14
122a2bbbb1
1318259a77
14d82255b
158ea2311
hex61883f5

102269941 has 2 divisors, whose sum is σ = 102269942. Its totient is φ = 102269940.

The previous prime is 102269929. The next prime is 102269969. The reversal of 102269941 is 149962201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81974916 + 20295025 = 9054^2 + 4505^2 .

It is an emirp because it is prime and its reverse (149962201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102269941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102269897 and 102269906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102269911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51134970 + 51134971.

It is an arithmetic number, because the mean of its divisors is an integer number (51134971).

Almost surely, 2102269941 is an apocalyptic number.

It is an amenable number.

102269941 is a deficient number, since it is larger than the sum of its proper divisors (1).

102269941 is an equidigital number, since it uses as much as digits as its factorization.

102269941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 102269941 is about 10112.8601789998. The cubic root of 102269941 is about 467.6446839777.

The spelling of 102269941 in words is "one hundred two million, two hundred sixty-nine thousand, nine hundred forty-one".