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38133941 = 177692917
BaseRepresentation
bin1001000101111…
…0000010110101
32122202101221012
42101132002311
534230241231
63441202005
7642063446
oct221360265
978671835
1038133941
111a58665a
1210930305
137b92381
1450c92cd
153533e2b
hex245e0b5

38133941 has 8 divisors (see below), whose sum is σ = 40443480. Its totient is φ = 35831808.

The previous prime is 38133923. The next prime is 38133943. The reversal of 38133941 is 14933183.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21893041 + 16240900 = 4679^2 + 4030^2 .

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 38133941 - 218 = 37871797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38133898 and 38133907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38133943) 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, 11615 + ... + 14531.

It is an arithmetic number, because the mean of its divisors is an integer number (5055435).

Almost surely, 238133941 is an apocalyptic number.

It is an amenable number.

38133941 is a deficient number, since it is larger than the sum of its proper divisors (2309539).

38133941 is a wasteful number, since it uses less digits than its factorization.

38133941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703.

The product of its digits is 7776, while the sum is 32.

The square root of 38133941 is about 6175.2684961870. The cubic root of 38133941 is about 336.5920830546.

The spelling of 38133941 in words is "thirty-eight million, one hundred thirty-three thousand, nine hundred forty-one".

Divisors: 1 17 769 2917 13073 49589 2243173 38133941