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252377806 = 2126188903
BaseRepresentation
bin11110000101011…
…11101011001110
3122120220010021011
433002233223032
51004102042211
641013155434
76153114232
oct1702575316
9576803234
10252377806
1111a5081aa
127062bb7a
1340395aa5
14257385c2
1517253921
hexf0aface

252377806 has 4 divisors (see below), whose sum is σ = 378566712. Its totient is φ = 126188902.

The previous prime is 252377791. The next prime is 252377813. The reversal of 252377806 is 608773252.

252377806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2523778062 = 127389113922747272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63094450 + ... + 63094453.

It is an arithmetic number, because the mean of its divisors is an integer number (94641678).

Almost surely, 2252377806 is an apocalyptic number.

252377806 is a deficient number, since it is larger than the sum of its proper divisors (126188906).

252377806 is a wasteful number, since it uses less digits than its factorization.

252377806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126188905.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 252377806 is about 15886.4031800782. The cubic root of 252377806 is about 631.9514580434.

The spelling of 252377806 in words is "two hundred fifty-two million, three hundred seventy-seven thousand, eight hundred six".

Divisors: 1 2 126188903 252377806