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33824141 = 132601857
BaseRepresentation
bin1000000100000…
…1110110001101
32100122102222222
42001001312031
532124333031
63204545125
7560333441
oct201016615
970572888
1033824141
111810263a
12b3b21a5
1370137b0
1446c6821
152e81e7b
hex2041d8d

33824141 has 4 divisors (see below), whose sum is σ = 36426012. Its totient is φ = 31222272.

The previous prime is 33824137. The next prime is 33824143. The reversal of 33824141 is 14142833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14142833 = 139101747.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 21949225 = 3446^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 33824141 - 22 = 33824137 is a prime.

It is a super-2 number, since 2×338241412 = 2288145028775762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33824141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33824143) 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, 1300916 + ... + 1300941.

It is an arithmetic number, because the mean of its divisors is an integer number (9106503).

Almost surely, 233824141 is an apocalyptic number.

It is an amenable number.

33824141 is a deficient number, since it is larger than the sum of its proper divisors (2601871).

33824141 is a wasteful number, since it uses less digits than its factorization.

33824141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601870.

The product of its digits is 2304, while the sum is 26.

The square root of 33824141 is about 5815.8525600294. The cubic root of 33824141 is about 323.4016703494.

Adding to 33824141 its reverse (14142833), we get a palindrome (47966974).

The spelling of 33824141 in words is "thirty-three million, eight hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 13 2601857 33824141