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38825137 = 1329310193
BaseRepresentation
bin1001010000011…
…0110010110001
32201001112002001
42110012302301
534414401022
63504054001
7651002551
oct224066261
981045061
1038825137
111aa0899a
1211004301
138074b70
145229161
15361db27
hex2506cb1

38825137 has 8 divisors (see below), whose sum is σ = 41958504. Its totient is φ = 35712768.

The previous prime is 38825119. The next prime is 38825141. The reversal of 38825137 is 73152883.

It can be written as a sum of positive squares in 4 ways, for example, as 11826721 + 26998416 = 3439^2 + 5196^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38825137 - 219 = 38300849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38825096 and 38825105.

It is not an unprimeable number, because it can be changed into a prime (38825117) 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 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 8905.

It is an arithmetic number, because the mean of its divisors is an integer number (5244813).

Almost surely, 238825137 is an apocalyptic number.

It is an amenable number.

38825137 is a deficient number, since it is larger than the sum of its proper divisors (3133367).

38825137 is a wasteful number, since it uses less digits than its factorization.

38825137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499.

The product of its digits is 40320, while the sum is 37.

The square root of 38825137 is about 6230.9820253312. The cubic root of 38825137 is about 338.6135495250.

The spelling of 38825137 in words is "thirty-eight million, eight hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 13 293 3809 10193 132509 2986549 38825137