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38859538 = 219429769
BaseRepresentation
bin1001010000111…
…1001100010010
32201010021021011
42110033030102
534422001123
63504521134
7651205054
oct224171422
981107234
1038859538
111aa31823
12110201aa
138087713
1452378d4
153628e0d
hex250f312

38859538 has 4 divisors (see below), whose sum is σ = 58289310. Its totient is φ = 19429768.

The previous prime is 38859493. The next prime is 38859539. The reversal of 38859538 is 83595883.

38859538 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33674809 + 5184729 = 5803^2 + 2277^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 38859491 and 38859500.

It is not an unprimeable number, because it can be changed into a prime (38859539) 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 as a sum of consecutive naturals, namely, 9714883 + ... + 9714886.

Almost surely, 238859538 is an apocalyptic number.

38859538 is a deficient number, since it is larger than the sum of its proper divisors (19429772).

38859538 is a wasteful number, since it uses less digits than its factorization.

38859538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429771.

The product of its digits is 1036800, while the sum is 49.

The square root of 38859538 is about 6233.7418939189. The cubic root of 38859538 is about 338.7135294769.

The spelling of 38859538 in words is "thirty-eight million, eight hundred fifty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 19429769 38859538