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253312033 = 1339234967
BaseRepresentation
bin11110001100100…
…11110000100001
3122122122120210011
433012103300201
51004321441113
641045204521
76164055022
oct1706236041
9578576704
10253312033
1111aa96097
1270a00741
13406320a0
14258dcc49
151738a63d
hexf193c21

253312033 has 8 divisors (see below), whose sum is σ = 272922048. Its totient is φ = 233719824.

The previous prime is 253312021. The next prime is 253312043. The reversal of 253312033 is 330213352.

It is a happy number.

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

It is not a de Polignac number, because 253312033 - 25 = 253312001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253311995 and 253312013.

It is not an unprimeable number, because it can be changed into a prime (253312043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48516 + ... + 53482.

It is an arithmetic number, because the mean of its divisors is an integer number (34115256).

Almost surely, 2253312033 is an apocalyptic number.

It is an amenable number.

253312033 is a deficient number, since it is larger than the sum of its proper divisors (19610015).

253312033 is a wasteful number, since it uses less digits than its factorization.

253312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 253312033 is about 15915.7793714288. The cubic root of 253312033 is about 632.7302628322.

Adding to 253312033 its reverse (330213352), we get a palindrome (583525385).

The spelling of 253312033 in words is "two hundred fifty-three million, three hundred twelve thousand, thirty-three".

Divisors: 1 13 3923 4967 50999 64571 19485541 253312033