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33105413 = 115415563
BaseRepresentation
bin111111001001…
…0011000000101
32022021221002102
41332102120011
531433333123
63141321445
7551251145
oct176223005
968257072
1033105413
1117761650
12b106285
136b21603
14457a925
152d8e028
hex1f92605

33105413 has 8 divisors (see below), whose sum is σ = 36188256. Its totient is φ = 30034800.

The previous prime is 33105389. The next prime is 33105461. The reversal of 33105413 is 31450133.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33105413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33105473) 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, 3170 + ... + 8732.

It is an arithmetic number, because the mean of its divisors is an integer number (4523532).

Almost surely, 233105413 is an apocalyptic number.

It is an amenable number.

33105413 is a deficient number, since it is larger than the sum of its proper divisors (3082843).

33105413 is a wasteful number, since it uses less digits than its factorization.

33105413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 33105413 is about 5753.7303551696. The cubic root of 33105413 is about 321.0946011164.

Adding to 33105413 its reverse (31450133), we get a palindrome (64555546).

The spelling of 33105413 in words is "thirty-three million, one hundred five thousand, four hundred thirteen".

Divisors: 1 11 541 5563 5951 61193 3009583 33105413