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38716645 = 511739643
BaseRepresentation
bin1001001110110…
…0010011100101
32200212000020211
42103230103211
534402413040
63501455421
7650041342
oct223542345
980760224
1038716645
111a944430
1210b71571
138037676
1451db7c9
1535eb8ea
hex24ec4e5

38716645 has 16 divisors (see below), whose sum is σ = 51383232. Its totient is φ = 27768960.

The previous prime is 38716627. The next prime is 38716649. The reversal of 38716645 is 54661783.

It is a happy number.

38716645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38716645 - 211 = 38714597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38716598 and 38716607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38716649) 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 15 ways as a sum of consecutive naturals, for example, 807 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (3211452).

Almost surely, 238716645 is an apocalyptic number.

It is an amenable number.

38716645 is a deficient number, since it is larger than the sum of its proper divisors (12666587).

38716645 is a wasteful number, since it uses less digits than its factorization.

38716645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732.

The product of its digits is 120960, while the sum is 40.

The square root of 38716645 is about 6222.2700841413. The cubic root of 38716645 is about 338.2978508468.

The spelling of 38716645 in words is "thirty-eight million, seven hundred sixteen thousand, six hundred forty-five".

Divisors: 1 5 11 55 73 365 803 4015 9643 48215 106073 530365 703939 3519695 7743329 38716645