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33000053 = 83397591
BaseRepresentation
bin111110111100…
…0101001110101
32022002120120012
41331320221311
531422000203
63135150005
7550332032
oct175705165
968076505
1033000053
111769a479
12b075305
136ab5678
144550389
152d6cbd8
hex1f78a75

33000053 has 4 divisors (see below), whose sum is σ = 33397728. Its totient is φ = 32602380.

The previous prime is 33000031. The next prime is 33000059. The reversal of 33000053 is 35000033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33000053 - 212 = 32995957 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 (33000059) 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, 198713 + ... + 198878.

It is an arithmetic number, because the mean of its divisors is an integer number (8349432).

Almost surely, 233000053 is an apocalyptic number.

It is an amenable number.

33000053 is a deficient number, since it is larger than the sum of its proper divisors (397675).

33000053 is an equidigital number, since it uses as much as digits as its factorization.

33000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397674.

The product of its (nonzero) digits is 135, while the sum is 14.

The square root of 33000053 is about 5744.5672595941. The cubic root of 33000053 is about 320.7536047160.

Adding to 33000053 its reverse (35000033), we get a palindrome (68000086).

The spelling of 33000053 in words is "thirty-three million, fifty-three", and thus it is an aban number and an uban number.

Divisors: 1 83 397591 33000053