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38625249 = 3137313567
BaseRepresentation
bin1001001101010…
…1111111100001
32200200100212210
42103111333201
534342001444
63455512333
7646211025
oct223257741
980610783
1038625249
111a8917a3
1210b286a9
138004ba0
1451b6385
1535ce7b9
hex24d5fe1

38625249 has 16 divisors (see below), whose sum is σ = 56225792. Its totient is φ = 23442048.

The previous prime is 38625247. The next prime is 38625259. The reversal of 38625249 is 94252683.

It is a happy number.

It is not a de Polignac number, because 38625249 - 21 = 38625247 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38625247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3937 + ... + 9630.

It is an arithmetic number, because the mean of its divisors is an integer number (3514112).

Almost surely, 238625249 is an apocalyptic number.

38625249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

38625249 is a deficient number, since it is larger than the sum of its proper divisors (17600543).

38625249 is a wasteful number, since it uses less digits than its factorization.

38625249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656.

The product of its digits is 103680, while the sum is 39.

The square root of 38625249 is about 6214.9214797936. The cubic root of 38625249 is about 338.0314414690.

The spelling of 38625249 in words is "thirty-eight million, six hundred twenty-five thousand, two hundred forty-nine".

Divisors: 1 3 13 39 73 219 949 2847 13567 40701 176371 529113 990391 2971173 12875083 38625249