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38424497 = 49977003
BaseRepresentation
bin1001001010010…
…0111110110001
32200022011111112
42102210332301
534314040442
63451323105
7644413526
oct222447661
980264445
1038424497
111a764991
1210a50495
137c646b7
14516314d
153590082
hex24a4fb1

38424497 has 4 divisors (see below), whose sum is σ = 38502000. Its totient is φ = 38346996.

The previous prime is 38424481. The next prime is 38424509. The reversal of 38424497 is 79442483.

38424497 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79442483 = 233454021.

It is a cyclic number.

It is not a de Polignac number, because 38424497 - 24 = 38424481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38424457) 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, 38003 + ... + 39000.

It is an arithmetic number, because the mean of its divisors is an integer number (9625500).

Almost surely, 238424497 is an apocalyptic number.

It is an amenable number.

38424497 is a deficient number, since it is larger than the sum of its proper divisors (77503).

38424497 is an equidigital number, since it uses as much as digits as its factorization.

38424497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77502.

The product of its digits is 193536, while the sum is 41.

The square root of 38424497 is about 6198.7496319822. The cubic root of 38424497 is about 337.4447924329. Note that the first 3 decimals are identical.

The spelling of 38424497 in words is "thirty-eight million, four hundred twenty-four thousand, four hundred ninety-seven".

Divisors: 1 499 77003 38424497