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38494523 = 42719013
BaseRepresentation
bin1001001011011…
…0000100111011
32200102201120002
42102312010323
534323311043
63453023215
7645124634
oct222660473
980381502
1038494523
111a802561
1210a84b0b
137c8a532
14518088b
1535a5bb8
hex24b613b

38494523 has 4 divisors (see below), whose sum is σ = 38507808. Its totient is φ = 38481240.

The previous prime is 38494517. The next prime is 38494543. The reversal of 38494523 is 32549483.

38494523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32549483 = 67748079.

It is a cyclic number.

It is not a de Polignac number, because 38494523 - 24 = 38494507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38494543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (9626952).

Almost surely, 238494523 is an apocalyptic number.

38494523 is a deficient number, since it is larger than the sum of its proper divisors (13285).

38494523 is an equidigital number, since it uses as much as digits as its factorization.

38494523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13284.

The product of its digits is 103680, while the sum is 38.

The square root of 38494523 is about 6204.3954580604. The cubic root of 38494523 is about 337.6496579985.

The spelling of 38494523 in words is "thirty-eight million, four hundred ninety-four thousand, five hundred twenty-three".

Divisors: 1 4271 9013 38494523