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252820352 = 279412099
BaseRepresentation
bin11110001000110…
…11101110000000
3122121201121022202
433010123232000
51004210222402
641030452332
76156636401
oct1704335600
9577647282
10252820352
1111a78a744
12708040a8
13404bc355
14258119a8
15172deb02
hexf11bb80

252820352 has 32 divisors (see below), whose sum is σ = 504441000. Its totient is φ = 126215680.

The previous prime is 252820343. The next prime is 252820361. The reversal of 252820352 is 253028252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252820343) and next prime (252820361).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 119399 + ... + 121497.

Almost surely, 2252820352 is an apocalyptic number.

It is an amenable number.

252820352 is a deficient number, since it is larger than the sum of its proper divisors (251620648).

252820352 is an equidigital number, since it uses as much as digits as its factorization.

252820352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 252820352 is about 15900.3255312588. The cubic root of 252820352 is about 632.3206192455.

The spelling of 252820352 in words is "two hundred fifty-two million, eight hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 941 1882 2099 3764 4198 7528 8396 15056 16792 30112 33584 60224 67168 120448 134336 268672 1975159 3950318 7900636 15801272 31602544 63205088 126410176 252820352