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23052133 = 131773241
BaseRepresentation
bin101011111101…
…1111101100101
31121101011120201
41113323331211
521400132013
62142030501
7366640246
oct127737545
947334521
1023052133
1112015455
127878431
134a11720
1430c0ccd
1520553dd
hex15fbf65

23052133 has 4 divisors (see below), whose sum is σ = 24825388. Its totient is φ = 21278880.

The previous prime is 23052131. The next prime is 23052167. The reversal of 23052133 is 33125032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 20223009 = 1682^2 + 4497^2 .

It is a cyclic number.

It is not a de Polignac number, because 23052133 - 21 = 23052131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23052133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23052131) 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, 886608 + ... + 886633.

It is an arithmetic number, because the mean of its divisors is an integer number (6206347).

Almost surely, 223052133 is an apocalyptic number.

It is an amenable number.

23052133 is a deficient number, since it is larger than the sum of its proper divisors (1773255).

23052133 is a wasteful number, since it uses less digits than its factorization.

23052133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773254.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23052133 is about 4801.2636878222. The cubic root of 23052133 is about 284.6014044209.

Adding to 23052133 its reverse (33125032), we get a palindrome (56177165).

The spelling of 23052133 in words is "twenty-three million, fifty-two thousand, one hundred thirty-three".

Divisors: 1 13 1773241 23052133