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8380885 = 51998423
BaseRepresentation
bin11111111110000111010101
3120202210102011
4133332013111
54121142020
6455344221
7131144032
oct37760725
916683364
108380885
114804757
122982071
131975906
141182389
15b0835a
hex7fe1d5

8380885 has 8 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 6670224.

The previous prime is 8380877. The next prime is 8380903. The reversal of 8380885 is 5880838.

8380885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8380885 - 23 = 8380877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 5206.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 28380885 is an apocalyptic number.

It is an amenable number.

8380885 is a deficient number, since it is larger than the sum of its proper divisors (1727915).

8380885 is a wasteful number, since it uses less digits than its factorization.

8380885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8380885 is about 2894.9758202790. The cubic root of 8380885 is about 203.1249604734.

The spelling of 8380885 in words is "eight million, three hundred eighty thousand, eight hundred eighty-five".

Divisors: 1 5 199 995 8423 42115 1676177 8380885