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38366137 is a prime number
BaseRepresentation
bin1001001001011…
…0101110111001
32200012012110001
42102112232321
534310204022
63450153001
7644051425
oct222265671
980165401
1038366137
111a725057
1210a22761
137c43c74
145149b85
15357cb27
hex2496bb9

38366137 has 2 divisors, whose sum is σ = 38366138. Its totient is φ = 38366136.

The previous prime is 38366123. The next prime is 38366173. The reversal of 38366137 is 73166383.

Together with next prime (38366173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 4946176 = 5781^2 + 2224^2 .

It is an emirp because it is prime and its reverse (73166383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38366137 - 211 = 38364089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38366096 and 38366105.

It is not a weakly prime, because it can be changed into another prime (38366197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19183068 + 19183069.

It is an arithmetic number, because the mean of its divisors is an integer number (19183069).

Almost surely, 238366137 is an apocalyptic number.

It is an amenable number.

38366137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38366137 is an equidigital number, since it uses as much as digits as its factorization.

38366137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 38366137 is about 6194.0404422315. The cubic root of 38366137 is about 337.2738662596.

It can be divided in two parts, 38366 and 137, that added together give a triangular number (38503 = T277).

The spelling of 38366137 in words is "thirty-eight million, three hundred sixty-six thousand, one hundred thirty-seven".