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4780855 = 51735527
BaseRepresentation
bin10010001111001100110111
322222220002201
4102033030313
52210441410
6250245331
755431232
oct22171467
98886081
104780855
112775a22
121726847
13cb5111
148c6419
1564683a
hex48f337

4780855 has 8 divisors (see below), whose sum is σ = 5771232. Its totient is φ = 3801888.

The previous prime is 4780823. The next prime is 4780861. The reversal of 4780855 is 5580874.

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 4780855 - 25 = 4780823 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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, 1899 + ... + 3628.

It is an arithmetic number, because the mean of its divisors is an integer number (721404).

Almost surely, 24780855 is an apocalyptic number.

4780855 is a deficient number, since it is larger than the sum of its proper divisors (990377).

4780855 is a wasteful number, since it uses less digits than its factorization.

4780855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 4780855 is about 2186.5166361132. The cubic root of 4780855 is about 168.4619631378.

The spelling of 4780855 in words is "four million, seven hundred eighty thousand, eight hundred fifty-five".

Divisors: 1 5 173 865 5527 27635 956171 4780855