Search a number
-
+
38680317 = 32132691229
BaseRepresentation
bin1001001110001…
…1011011111101
32200210011102100
42103203123331
534400232232
63501015313
7646530414
oct223433375
980704370
1038680317
111a91a105
1210b54539
138023c80
1451cc47b
1535e0c7c
hex24e36fd

38680317 has 24 divisors (see below), whose sum is σ = 60442200. Its totient is φ = 23695488.

The previous prime is 38680307. The next prime is 38680331. The reversal of 38680317 is 71308683.

It can be written as a sum of positive squares in 4 ways, for example, as 2752281 + 35928036 = 1659^2 + 5994^2 .

It is not a de Polignac number, because 38680317 - 27 = 38680189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38680307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30859 + ... + 32087.

It is an arithmetic number, because the mean of its divisors is an integer number (2518425).

Almost surely, 238680317 is an apocalyptic number.

It is an amenable number.

38680317 is a deficient number, since it is larger than the sum of its proper divisors (21761883).

38680317 is a wasteful number, since it uses less digits than its factorization.

38680317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38680317 is about 6219.3502072162. The cubic root of 38680317 is about 338.1920089438.

The spelling of 38680317 in words is "thirty-eight million, six hundred eighty thousand, three hundred seventeen".

Divisors: 1 3 9 13 39 117 269 807 1229 2421 3497 3687 10491 11061 15977 31473 47931 143793 330601 991803 2975409 4297813 12893439 38680317