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33313013 = 174794091
BaseRepresentation
bin111111100010…
…1000011110101
32022200110212022
41333011003311
532012004023
63150002525
7553104326
oct177050365
968613768
1033313013
1117893618
12b1a6445
136b94c56
1445d244d
152dd07c8
hex1fc50f5

33313013 has 8 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 31280320.

The previous prime is 33312977. The next prime is 33313019. The reversal of 33313013 is 31031333.

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 33313013 - 26 = 33312949 is a prime.

It is a super-2 number, since 2×333130132 = 2219513670276338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33312982 and 33313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33313019) 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, 6098 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (4419360).

Almost surely, 233313013 is an apocalyptic number.

It is an amenable number.

33313013 is a deficient number, since it is larger than the sum of its proper divisors (2041867).

33313013 is a wasteful number, since it uses less digits than its factorization.

33313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 33313013 is about 5771.7426311297. The cubic root of 33313013 is about 321.7643846881.

Adding to 33313013 its reverse (31031333), we get a palindrome (64344346).

The spelling of 33313013 in words is "thirty-three million, three hundred thirteen thousand, thirteen".

Divisors: 1 17 479 4091 8143 69547 1959589 33313013