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38636 = 2213743
BaseRepresentation
bin1001011011101100
31221222222
421123230
52214021
6454512
7220433
oct113354
957888
1038636
1127034
121a438
1314780
141011a
15b6ab
hex96ec

38636 has 12 divisors (see below), whose sum is σ = 72912. Its totient is φ = 17808.

The previous prime is 38629. The next prime is 38639. The reversal of 38636 is 63683.

38636 = T41 + T42 + ... + T66.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (38639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 423.

It is an arithmetic number, because the mean of its divisors is an integer number (6076).

238636 is an apocalyptic number.

It is an amenable number.

38636 is a deficient number, since it is larger than the sum of its proper divisors (34276).

38636 is a wasteful number, since it uses less digits than its factorization.

38636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 38636 is about 196.5604232800. The cubic root of 38636 is about 33.8062801257.

The spelling of 38636 in words is "thirty-eight thousand, six hundred thirty-six".

Divisors: 1 2 4 13 26 52 743 1486 2972 9659 19318 38636