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20231133 = 313518747
BaseRepresentation
bin100110100101…
…1001111011101
31102001211220020
41031023033131
520134344013
62001342353
7333650616
oct115131735
942054806
1020231133
1110468a4a
1269379b9
1342646b0
142988c0d
151b99623
hex134b3dd

20231133 has 8 divisors (see below), whose sum is σ = 29049888. Its totient is φ = 12449904.

The previous prime is 20231129. The next prime is 20231137. The reversal of 20231133 is 33113202.

It is an interprime number because it is at equal distance from previous prime (20231129) and next prime (20231137).

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

It is not a de Polignac number, because 20231133 - 22 = 20231129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231137) 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, 259335 + ... + 259412.

It is an arithmetic number, because the mean of its divisors is an integer number (3631236).

Almost surely, 220231133 is an apocalyptic number.

It is an amenable number.

20231133 is a deficient number, since it is larger than the sum of its proper divisors (8818755).

20231133 is a wasteful number, since it uses less digits than its factorization.

20231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518763.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20231133 is about 4497.9031781487. The cubic root of 20231133 is about 272.4834117220.

Adding to 20231133 its reverse (33113202), we get a palindrome (53344335).

The spelling of 20231133 in words is "twenty million, two hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 3 13 39 518747 1556241 6743711 20231133