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252538006 = 2719949391
BaseRepresentation
bin11110000110101…
…10110010010110
3122121012021000111
433003112302112
51004122204011
641020433234
76154352260
oct1703266226
9577167014
10252538006
1111a6075a6
12706a881a
1340420996
142577ab30
1517286121
hexf0d6c96

252538006 has 16 divisors (see below), whose sum is σ = 455708160. Its totient is φ = 102534120.

The previous prime is 252537979. The next prime is 252538037. The reversal of 252538006 is 600835252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474430 + ... + 474961.

It is an arithmetic number, because the mean of its divisors is an integer number (28481760).

Almost surely, 2252538006 is an apocalyptic number.

252538006 is a deficient number, since it is larger than the sum of its proper divisors (203170154).

252538006 is a wasteful number, since it uses less digits than its factorization.

252538006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949419.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 252538006 is about 15891.4444277416. Note that the first 4 decimals coincide. The cubic root of 252538006 is about 632.0851428179.

The spelling of 252538006 in words is "two hundred fifty-two million, five hundred thirty-eight thousand, six".

Divisors: 1 2 7 14 19 38 133 266 949391 1898782 6645737 13291474 18038429 36076858 126269003 252538006