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252438333 = 3714980677
BaseRepresentation
bin11110000101111…
…10011100111101
3122121000012021220
433002332130331
51004111011313
641014343553
76153455550
oct1702763475
9577005256
10252438333
1111a549724
127065abb9
13403b74c4
1425752697
1517266823
hexf0be73d

252438333 has 16 divisors (see below), whose sum is σ = 387254400. Its totient is φ = 143280576.

The previous prime is 252438293. The next prime is 252438371. The reversal of 252438333 is 333834252.

It is not a de Polignac number, because 252438333 - 217 = 252307261 is a prime.

It is a super-2 number, since 2×2524383332 = 127450223935637778, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252438294 and 252438303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252438233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37210 + ... + 43467.

It is an arithmetic number, because the mean of its divisors is an integer number (24203400).

Almost surely, 2252438333 is an apocalyptic number.

It is an amenable number.

252438333 is a deficient number, since it is larger than the sum of its proper divisors (134816067).

252438333 is a wasteful number, since it uses less digits than its factorization.

252438333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80836.

The product of its digits is 51840, while the sum is 33.

The square root of 252438333 is about 15888.3080597023. The cubic root of 252438333 is about 632.0019736693.

The spelling of 252438333 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, three hundred thirty-three".

Divisors: 1 3 7 21 149 447 1043 3129 80677 242031 564739 1694217 12020873 36062619 84146111 252438333