Search a number
-
+
2055867 = 31162299
BaseRepresentation
bin111110101111010111011
310212110010020
413311322323
51011241432
6112021523
723321532
oct7657273
93773106
102055867
111184670
128318a3
1356c9b8
143b7319
152a922c
hex1f5ebb

2055867 has 8 divisors (see below), whose sum is σ = 2990400. Its totient is φ = 1245960.

The previous prime is 2055853. The next prime is 2055917. The reversal of 2055867 is 7685502.

It is a happy number.

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

It is not a de Polignac number, because 2055867 - 28 = 2055611 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 62299 = 2055867 / (2 + 0 + 5 + 5 + 8 + 6 + 7).

2055867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2055847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31117 + ... + 31182.

It is an arithmetic number, because the mean of its divisors is an integer number (373800).

22055867 is an apocalyptic number.

2055867 is a deficient number, since it is larger than the sum of its proper divisors (934533).

2055867 is a wasteful number, since it uses less digits than its factorization.

2055867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62313.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2055867 is about 1433.8294877704. The cubic root of 2055867 is about 127.1544816564.

The spelling of 2055867 in words is "two million, fifty-five thousand, eight hundred sixty-seven".

Divisors: 1 3 11 33 62299 186897 685289 2055867