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108938237 is a prime number
BaseRepresentation
bin1100111111001…
…00001111111101
321120222122011112
412133210033331
5210342010422
614450531405
72461650122
oct637441775
9246878145
10108938237
1156546a01
1230596b65
1319752cc5
141067a749
15986cee2
hex67e43fd

108938237 has 2 divisors, whose sum is σ = 108938238. Its totient is φ = 108938236.

The previous prime is 108938213. The next prime is 108938311. The reversal of 108938237 is 732839801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105801796 + 3136441 = 10286^2 + 1771^2 .

It is an emirp because it is prime and its reverse (732839801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108938237 - 26 = 108938173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 108938194 and 108938203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108938437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54469118 + 54469119.

It is an arithmetic number, because the mean of its divisors is an integer number (54469119).

Almost surely, 2108938237 is an apocalyptic number.

It is an amenable number.

108938237 is a deficient number, since it is larger than the sum of its proper divisors (1).

108938237 is an equidigital number, since it uses as much as digits as its factorization.

108938237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 108938237 is about 10437.3481785365. The cubic root of 108938237 is about 477.5953769075.

The spelling of 108938237 in words is "one hundred eight million, nine hundred thirty-eight thousand, two hundred thirty-seven".