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252107330 = 2574333931
BaseRepresentation
bin11110000011011…
…01101001000010
3122120101101020112
433001231221002
51004014413310
641003311322
76150606536
oct1701555102
9576341215
10252107330
1111a342a72
127051b542
13402cc947
14256a7bc6
15171ed705
hexf06da42

252107330 has 16 divisors (see below), whose sum is σ = 454417344. Its totient is φ = 100704240.

The previous prime is 252107311. The next prime is 252107369. The reversal of 252107330 is 33701252.

It is a junction number, because it is equal to n+sod(n) for n = 252107296 and 252107305.

It is an unprimeable number.

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, 9536 + ... + 24395.

It is an arithmetic number, because the mean of its divisors is an integer number (28401084).

Almost surely, 2252107330 is an apocalyptic number.

252107330 is a deficient number, since it is larger than the sum of its proper divisors (202310014).

252107330 is a wasteful number, since it uses less digits than its factorization.

252107330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 252107330 is about 15877.8880837472. Note that the first 3 decimals coincide. The cubic root of 252107330 is about 631.7256209629.

Adding to 252107330 its reverse (33701252), we get a palindrome (285808582).

The spelling of 252107330 in words is "two hundred fifty-two million, one hundred seven thousand, three hundred thirty".

Divisors: 1 2 5 10 743 1486 3715 7430 33931 67862 169655 339310 25210733 50421466 126053665 252107330