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855200455 = 5421406271
BaseRepresentation
bin110010111110010…
…101001011000111
32012121012200110221
4302332111023013
53222412403310
6220505525211
730123040534
oct6276251307
92177180427
10855200455
113a981383a
121ba4a3807
1310823c395
1481817d8b
155012cada
hex32f952c7

855200455 has 8 divisors (see below), whose sum is σ = 1028680704. Its totient is φ = 682533600.

The previous prime is 855200449. The next prime is 855200461. The reversal of 855200455 is 554002558.

It is an interprime number because it is at equal distance from previous prime (855200449) and next prime (855200461).

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

It is not a de Polignac number, because 855200455 - 227 = 720982727 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 855200455.

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 in 7 ways as a sum of consecutive naturals, for example, 201031 + ... + 205240.

It is an arithmetic number, because the mean of its divisors is an integer number (128585088).

Almost surely, 2855200455 is an apocalyptic number.

855200455 is a deficient number, since it is larger than the sum of its proper divisors (173480249).

855200455 is a wasteful number, since it uses less digits than its factorization.

855200455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406697.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 855200455 is about 29243.8105417198. The cubic root of 855200455 is about 949.1961639835.

The spelling of 855200455 in words is "eight hundred fifty-five million, two hundred thousand, four hundred fifty-five".

Divisors: 1 5 421 2105 406271 2031355 171040091 855200455