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38678539 = 417312923
BaseRepresentation
bin1001001110001…
…1000000001011
32200210001222111
42103203000023
534400203124
63501003151
7646522264
oct223430013
980701874
1038678539
111a918839
1210b534b7
138023213
1451cb96b
1535e0494
hex24e300b

38678539 has 8 divisors (see below), whose sum is σ = 40167792. Its totient is φ = 37215360.

The previous prime is 38678537. The next prime is 38678561. The reversal of 38678539 is 93587683.

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 38678539 - 21 = 38678537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38678492 and 38678501.

It is not an unprimeable number, because it can be changed into a prime (38678537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 9454.

It is an arithmetic number, because the mean of its divisors is an integer number (5020974).

Almost surely, 238678539 is an apocalyptic number.

38678539 is a deficient number, since it is larger than the sum of its proper divisors (1489253).

38678539 is a wasteful number, since it uses less digits than its factorization.

38678539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its digits is 1088640, while the sum is 49.

The square root of 38678539 is about 6219.2072645957. The cubic root of 38678539 is about 338.1868270266.

The spelling of 38678539 in words is "thirty-eight million, six hundred seventy-eight thousand, five hundred thirty-nine".

Divisors: 1 41 73 2993 12923 529843 943379 38678539