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38814693 = 312938231
BaseRepresentation
bin1001010000010…
…0001111100101
32201000222202020
42110010033211
534414032233
63503533353
7650630241
oct224041745
981028666
1038814693
111aa01065
1210bba259
138070198
145225421
15361a9b3
hex25043e5

38814693 has 4 divisors (see below), whose sum is σ = 51752928. Its totient is φ = 25876460.

The previous prime is 38814691. The next prime is 38814707. The reversal of 38814693 is 39641883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38814693 - 21 = 38814691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38814691) 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 3 ways as a sum of consecutive naturals, for example, 6469113 + ... + 6469118.

It is an arithmetic number, because the mean of its divisors is an integer number (12938232).

Almost surely, 238814693 is an apocalyptic number.

It is an amenable number.

38814693 is a deficient number, since it is larger than the sum of its proper divisors (12938235).

38814693 is a wasteful number, since it uses less digits than its factorization.

38814693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938234.

The product of its digits is 124416, while the sum is 42.

The square root of 38814693 is about 6230.1438988197. The cubic root of 38814693 is about 338.5831843429.

The spelling of 38814693 in words is "thirty-eight million, eight hundred fourteen thousand, six hundred ninety-three".

Divisors: 1 3 12938231 38814693