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427973005 = 5194504979
BaseRepresentation
bin11001100000100…
…101100110001101
31002211022021121001
4121200211212031
51334030114010
6110244540301
713414465465
oct3140454615
91084267531
10427973005
111aa6414a9
12bb3b1691
136a886a85
1440ba6ba5
152788bc3a
hex1982598d

427973005 has 8 divisors (see below), whose sum is σ = 540597600. Its totient is φ = 324358416.

The previous prime is 427972999. The next prime is 427973027. The reversal of 427973005 is 500379724.

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 427973005 - 25 = 427972973 is a prime.

It is a super-3 number, since 3×4279730053 (a number of 27 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2252395 + ... + 2252584.

It is an arithmetic number, because the mean of its divisors is an integer number (67574700).

Almost surely, 2427973005 is an apocalyptic number.

It is an amenable number.

427973005 is a deficient number, since it is larger than the sum of its proper divisors (112624595).

427973005 is a wasteful number, since it uses less digits than its factorization.

427973005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505003.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 427973005 is about 20687.5084290013. The cubic root of 427973005 is about 753.5963599551.

It can be divided in two parts, 4279 and 73005, that added together give a square (77284 = 2782).

The spelling of 427973005 in words is "four hundred twenty-seven million, nine hundred seventy-three thousand, five".

Divisors: 1 5 19 95 4504979 22524895 85594601 427973005