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33248053 = 199716649
BaseRepresentation
bin111111011010…
…1001100110101
32022120011202101
41332311030311
532002414203
63144342101
7552414046
oct176651465
968504671
1033248053
1117849833
12b174931
136b71507
1445b68cd
152dbb41d
hex1fb5335

33248053 has 4 divisors (see below), whose sum is σ = 33266700. Its totient is φ = 33229408.

The previous prime is 33248051. The next prime is 33248063. The reversal of 33248053 is 35084233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35084233 = 41855713.

It can be written as a sum of positive squares in 2 ways, for example, as 11035684 + 22212369 = 3322^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 33248053 - 21 = 33248051 is a prime.

It is a super-2 number, since 2×332480532 = 2210866056581618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33248051) 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, 6328 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (8316675).

Almost surely, 233248053 is an apocalyptic number.

It is an amenable number.

33248053 is a deficient number, since it is larger than the sum of its proper divisors (18647).

33248053 is a wasteful number, since it uses less digits than its factorization.

33248053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 33248053 is about 5766.1124685528. The cubic root of 33248053 is about 321.5551029552. Note that the first 3 decimals are identical.

The spelling of 33248053 in words is "thirty-three million, two hundred forty-eight thousand, fifty-three".

Divisors: 1 1997 16649 33248053