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38480861 is a prime number
BaseRepresentation
bin1001001011001…
…0101111011101
32200102000211002
42102302233131
534322341421
63452440045
7645040046
oct222625735
980360732
1038480861
111a7a3271
1210a79025
137c84253
1451798cd
1535a1b0b
hex24b2bdd

38480861 has 2 divisors, whose sum is σ = 38480862. Its totient is φ = 38480860.

The previous prime is 38480807. The next prime is 38480879. The reversal of 38480861 is 16808483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 2540836 = 5995^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 38480861 - 218 = 38218717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38480801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19240430 + 19240431.

It is an arithmetic number, because the mean of its divisors is an integer number (19240431).

Almost surely, 238480861 is an apocalyptic number.

It is an amenable number.

38480861 is a deficient number, since it is larger than the sum of its proper divisors (1).

38480861 is an equidigital number, since it uses as much as digits as its factorization.

38480861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 38480861 is about 6203.2943667055. The cubic root of 38480861 is about 337.6097084584.

The spelling of 38480861 in words is "thirty-eight million, four hundred eighty thousand, eight hundred sixty-one".