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38674749 = 3471032663
BaseRepresentation
bin1001001110001…
…0000100111101
32200202212210010
42103202010331
534400042444
63500533433
7646505241
oct223420475
980685703
1038674749
111a915a03
1210b51279
138021589
1451ca421
1535de2b9
hex24e213d

38674749 has 16 divisors (see below), whose sum is σ = 53194752. Its totient is φ = 24980208.

The previous prime is 38674729. The next prime is 38674771. The reversal of 38674749 is 94747683.

It is a happy number.

It is not a de Polignac number, because 38674749 - 216 = 38609213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38674698 and 38674707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38674729) 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, 13192 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (3324672).

Almost surely, 238674749 is an apocalyptic number.

It is an amenable number.

38674749 is a deficient number, since it is larger than the sum of its proper divisors (14520003).

38674749 is a wasteful number, since it uses less digits than its factorization.

38674749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its digits is 1016064, while the sum is 48.

The square root of 38674749 is about 6218.9025559177. The cubic root of 38674749 is about 338.1757806774.

The spelling of 38674749 in words is "thirty-eight million, six hundred seventy-four thousand, seven hundred forty-nine".

Divisors: 1 3 47 103 141 309 2663 4841 7989 14523 125161 274289 375483 822867 12891583 38674749