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68892037 is a prime number
BaseRepresentation
bin1000001101100…
…11010110000101
311210122002002221
410012303112011
5120114021122
610500332341
71464400264
oct406632605
9153562087
1068892037
1135984675
121b0a40b1
1311371426
1492145db
1560ac6c7
hex41b3585

68892037 has 2 divisors, whose sum is σ = 68892038. Its totient is φ = 68892036.

The previous prime is 68891987. The next prime is 68892067. The reversal of 68892037 is 73029886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60124516 + 8767521 = 7754^2 + 2961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68892037 is a prime.

It is a super-2 number, since 2×688920372 = 9492225524018738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68891984 and 68892002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68892067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446018 + 34446019.

It is an arithmetic number, because the mean of its divisors is an integer number (34446019).

Almost surely, 268892037 is an apocalyptic number.

It is an amenable number.

68892037 is a deficient number, since it is larger than the sum of its proper divisors (1).

68892037 is an equidigital number, since it uses as much as digits as its factorization.

68892037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68892037 is about 8300.1227099363. The cubic root of 68892037 is about 409.9425598691.

The spelling of 68892037 in words is "sixty-eight million, eight hundred ninety-two thousand, thirty-seven".