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33472093 = 41398087
BaseRepresentation
bin111111110101…
…1111001011101
32022222120002011
41333223321131
532032101333
63153231221
7554336164
oct177537135
968876064
1033472093
1117992096
12b262511
136c1c495
1446343db
152e129cd
hex1febe5d

33472093 has 4 divisors (see below), whose sum is σ = 33484320. Its totient is φ = 33459868.

The previous prime is 33472079. The next prime is 33472111. The reversal of 33472093 is 39027433.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39027433 = 67582499.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33472093 is a prime.

It is a super-2 number, since 2×334720932 = 2240762019601298, 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 (33472193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (8371080).

Almost surely, 233472093 is an apocalyptic number.

It is an amenable number.

33472093 is a deficient number, since it is larger than the sum of its proper divisors (12227).

33472093 is an equidigital number, since it uses as much as digits as its factorization.

33472093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 33472093 is about 5785.5071514950. The cubic root of 33472093 is about 322.2757465893.

It can be divided in two parts, 334 and 72093, that added together give a palindrome (72427).

The spelling of 33472093 in words is "thirty-three million, four hundred seventy-two thousand, ninety-three".

Divisors: 1 4139 8087 33472093