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38654081 is a prime number
BaseRepresentation
bin1001001101110…
…1000010000001
32200201211102122
42103131002001
534343412311
63500254025
7646361054
oct223350201
980654378
1038654081
111a901424
1210b41315
13801504b
1451c2a9b
1535d80db
hex24dd081

38654081 has 2 divisors, whose sum is σ = 38654082. Its totient is φ = 38654080.

The previous prime is 38654051. The next prime is 38654087. The reversal of 38654081 is 18045683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38551681 + 102400 = 6209^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 38654081 - 26 = 38654017 is a prime.

It is a super-2 number, since 2×386540812 = 2988275955909122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38654087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19327040 + 19327041.

It is an arithmetic number, because the mean of its divisors is an integer number (19327041).

Almost surely, 238654081 is an apocalyptic number.

It is an amenable number.

38654081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38654081 is an equidigital number, since it uses as much as digits as its factorization.

38654081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 38654081 is about 6217.2406258725. The cubic root of 38654081 is about 338.1155289400.

The spelling of 38654081 in words is "thirty-eight million, six hundred fifty-four thousand, eighty-one".