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38916965 = 59478219
BaseRepresentation
bin1001010001110…
…1001101100101
32201020012001002
42110131031211
534430320330
63510043045
7651534353
oct224351545
981205032
1038916965
111aa7098a
1211049485
1380a78b9
1452507d3
15363ae45
hex251d365

38916965 has 8 divisors (see below), whose sum is σ = 46755360. Its totient is φ = 31096912.

The previous prime is 38916887. The next prime is 38916967. The reversal of 38916965 is 56961983.

38916965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38916965 - 216 = 38851429 is a prime.

It is a super-2 number, since 2×389169652 = 3029060329622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38916967) 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 7 ways as a sum of consecutive naturals, for example, 626 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (5844420).

Almost surely, 238916965 is an apocalyptic number.

It is an amenable number.

38916965 is a deficient number, since it is larger than the sum of its proper divisors (7838395).

38916965 is an equidigital number, since it uses as much as digits as its factorization.

38916965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171.

The product of its digits is 349920, while the sum is 47.

The square root of 38916965 is about 6238.3463353681. The cubic root of 38916965 is about 338.8802987262.

The spelling of 38916965 in words is "thirty-eight million, nine hundred sixteen thousand, nine hundred sixty-five".

Divisors: 1 5 947 4735 8219 41095 7783393 38916965