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38738441 = 75534063
BaseRepresentation
bin1001001111000…
…1101000001001
32200220010011002
42103301220021
534404112231
63502144345
7650162030
oct223615011
980803132
1038738441
111a959845
1210b820b5
138044571
145205717
1536030cb
hex24f1a09

38738441 has 4 divisors (see below), whose sum is σ = 44272512. Its totient is φ = 33204372.

The previous prime is 38738423. The next prime is 38738443. The reversal of 38738441 is 14483783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14483783 = 41353263.

It is a cyclic number.

It is not a de Polignac number, because 38738441 - 26 = 38738377 is a prime.

It is a super-2 number, since 2×387384412 = 3001333622220962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38738395 and 38738404.

It is not an unprimeable number, because it can be changed into a prime (38738443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767025 + ... + 2767038.

It is an arithmetic number, because the mean of its divisors is an integer number (11068128).

Almost surely, 238738441 is an apocalyptic number.

It is an amenable number.

38738441 is a deficient number, since it is larger than the sum of its proper divisors (5534071).

38738441 is an equidigital number, since it uses as much as digits as its factorization.

38738441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534070.

The product of its digits is 64512, while the sum is 38.

The square root of 38738441 is about 6224.0212885240. The cubic root of 38738441 is about 338.3613218829.

The spelling of 38738441 in words is "thirty-eight million, seven hundred thirty-eight thousand, four hundred forty-one".

Divisors: 1 7 5534063 38738441