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252729653 = 1161937117
BaseRepresentation
bin11110001000001…
…01100100110101
3122121112222220112
433010011210311
51004144322103
641024512405
76156111101
oct1704054465
9577488815
10252729653
1111a728590
127077b705
1340489c97
14257ca901
15172c2cd8
hexf105935

252729653 has 8 divisors (see below), whose sum is σ = 276157920. Its totient is φ = 229376880.

The previous prime is 252729643. The next prime is 252729703. The reversal of 252729653 is 356927252.

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

It is a cyclic number.

It is not a de Polignac number, because 252729653 - 214 = 252713269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252729653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252729623) 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, 11750 + ... + 25367.

It is an arithmetic number, because the mean of its divisors is an integer number (34519740).

Almost surely, 2252729653 is an apocalyptic number.

It is an amenable number.

252729653 is a deficient number, since it is larger than the sum of its proper divisors (23428267).

252729653 is a wasteful number, since it uses less digits than its factorization.

252729653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37747.

The product of its digits is 226800, while the sum is 41.

The square root of 252729653 is about 15897.4731639968. The cubic root of 252729653 is about 632.2449954452.

The spelling of 252729653 in words is "two hundred fifty-two million, seven hundred twenty-nine thousand, six hundred fifty-three".

Divisors: 1 11 619 6809 37117 408287 22975423 252729653