Search a number
-
+
2207855 = 51333967
BaseRepresentation
bin1000011011000001101111
311011011121102
420123001233
51031122410
6115153315
724523616
oct10330157
94134542
102207855
111278881
128a583b
135c3c30
1441687d
152d92a5
hex21b06f

2207855 has 8 divisors (see below), whose sum is σ = 2853312. Its totient is φ = 1630368.

The previous prime is 2207833. The next prime is 2207861. The reversal of 2207855 is 5587022.

2207855 is digitally balanced in base 2, 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 2207855 - 26 = 2207791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16919 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (356664).

22207855 is an apocalyptic number.

2207855 is a deficient number, since it is larger than the sum of its proper divisors (645457).

2207855 is a wasteful number, since it uses less digits than its factorization.

2207855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33985.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2207855 is about 1485.8852580196. The cubic root of 2207855 is about 130.2137509141.

The spelling of 2207855 in words is "two million, two hundred seven thousand, eight hundred fifty-five".

Divisors: 1 5 13 65 33967 169835 441571 2207855