Search a number
-
+
2550831 = 34779229
BaseRepresentation
bin1001101110110000101111
311210121002020
421232300233
51123111311
6130401223
730452553
oct11566057
94717066
102550831
111492528
12a30213
136b408a
144a5863
15355c06
hex26ec2f

2550831 has 16 divisors (see below), whose sum is σ = 3532800. Its totient is φ = 1636128.

The previous prime is 2550791. The next prime is 2550853. The reversal of 2550831 is 1380552.

It is not a de Polignac number, because 2550831 - 26 = 2550767 is a prime.

It is a super-2 number, since 2×25508312 = 13013477581122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11025 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (220800).

22550831 is an apocalyptic number.

2550831 is a deficient number, since it is larger than the sum of its proper divisors (981969).

2550831 is a wasteful number, since it uses less digits than its factorization.

2550831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2550831 is about 1597.1321172652. The cubic root of 2550831 is about 136.6345598449.

The spelling of 2550831 in words is "two million, five hundred fifty thousand, eight hundred thirty-one".

Divisors: 1 3 47 79 141 229 237 687 3713 10763 11139 18091 32289 54273 850277 2550831