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38688274 = 261337941
BaseRepresentation
bin1001001110010…
…1011000010010
32200210120100001
42103211120102
534401011044
63501120214
7646562542
oct223453022
980716301
1038688274
111a925089
1210b5906a
138027791
1451d1322
1535e32d4
hex24e5612

38688274 has 16 divisors (see below), whose sum is σ = 59221656. Its totient is φ = 18950400.

The previous prime is 38688271. The next prime is 38688283. The reversal of 38688274 is 47288683.

It can be written as a sum of positive squares in 4 ways, for example, as 20566225 + 18122049 = 4535^2 + 4257^2 .

It is not an unprimeable number, because it can be changed into a prime (38688271) 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, 40644 + ... + 41584.

Almost surely, 238688274 is an apocalyptic number.

38688274 is a deficient number, since it is larger than the sum of its proper divisors (20533382).

38688274 is a wasteful number, since it uses less digits than its factorization.

38688274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 516096, while the sum is 46.

The square root of 38688274 is about 6219.9898713744. The cubic root of 38688274 is about 338.2151973897.

The spelling of 38688274 in words is "thirty-eight million, six hundred eighty-eight thousand, two hundred seventy-four".

Divisors: 1 2 61 122 337 674 941 1882 20557 41114 57401 114802 317117 634234 19344137 38688274