Search a number
-
+
20738038 = 215168669
BaseRepresentation
bin100111100011…
…0111111110110
31110000121020111
41033012333312
520302104123
62020253234
7341161516
oct117067766
943017214
1020738038
1110784882
126b4121a
1343b1339
142a7b846
151c4990d
hex13c6ff6

20738038 has 8 divisors (see below), whose sum is σ = 31313520. Its totient is φ = 10300200.

The previous prime is 20738033. The next prime is 20738051. The reversal of 20738038 is 83083702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20738033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34033 + ... + 34636.

It is an arithmetic number, because the mean of its divisors is an integer number (3914190).

Almost surely, 220738038 is an apocalyptic number.

20738038 is a deficient number, since it is larger than the sum of its proper divisors (10575482).

20738038 is a wasteful number, since it uses less digits than its factorization.

20738038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68822.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20738038 is about 4553.9036002094. The cubic root of 20738038 is about 274.7404184103.

The spelling of 20738038 in words is "twenty million, seven hundred thirty-eight thousand, thirty-eight".

Divisors: 1 2 151 302 68669 137338 10369019 20738038