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855027047 = 7235310727
BaseRepresentation
bin110010111101101…
…010110101100111
32012120212212121102
4302331222311213
53222341331142
6220502110315
730121416140
oct6275526547
92176785542
10855027047
113a9705526
121ba41b39b
131081ab484
14817b0ac7
15500e6532
hex32f6ad67

855027047 has 8 divisors (see below), whose sum is σ = 1019659776. Its totient is φ = 701015832.

The previous prime is 855027029. The next prime is 855027067. The reversal of 855027047 is 740720558.

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 855027047 - 28 = 855026791 is a prime.

It is a super-2 number, since 2×8550270472 = 1462142502203080418, which contains 22 as substring.

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 855027047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855027067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655203 + ... + 2655524.

It is an arithmetic number, because the mean of its divisors is an integer number (127457472).

Almost surely, 2855027047 is an apocalyptic number.

855027047 is a deficient number, since it is larger than the sum of its proper divisors (164632729).

855027047 is a wasteful number, since it uses less digits than its factorization.

855027047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310757.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 855027047 is about 29240.8455247108. The cubic root of 855027047 is about 949.1320038466.

The spelling of 855027047 in words is "eight hundred fifty-five million, twenty-seven thousand, forty-seven".

Divisors: 1 7 23 161 5310727 37175089 122146721 855027047