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53312333 = 1572411409
BaseRepresentation
bin1100101101011…
…1101101001101
310201022112202212
43023113231031
5102121443313
65142400205
71215101354
oct313275515
9121275685
1053312333
1128103388
1215a30065
13b077c79
14711a99b
154a313a8
hex32d7b4d

53312333 has 8 divisors (see below), whose sum is σ = 53912760. Its totient is φ = 52715520.

The previous prime is 53312297. The next prime is 53312339. The reversal of 53312333 is 33321335.

It can be written as a sum of positive squares in 4 ways, for example, as 357604 + 52954729 = 598^2 + 7277^2 .

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 53312333 - 218 = 53050189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53312299 and 53312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53312339) 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, 37133 + ... + 38541.

It is an arithmetic number, because the mean of its divisors is an integer number (6739095).

Almost surely, 253312333 is an apocalyptic number.

It is an amenable number.

53312333 is a deficient number, since it is larger than the sum of its proper divisors (600427).

53312333 is a wasteful number, since it uses less digits than its factorization.

53312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 2430, while the sum is 23.

The square root of 53312333 is about 7301.5294973040. The cubic root of 53312333 is about 376.3649998907.

Adding to 53312333 its reverse (33321335), we get a palindrome (86633668).

The spelling of 53312333 in words is "fifty-three million, three hundred twelve thousand, three hundred thirty-three".

Divisors: 1 157 241 1409 37837 221213 339569 53312333