Search a number
-
+
2331207 = 3386341
BaseRepresentation
bin1000111001001001000111
311101102211000
420321021013
51044044312
6121544343
725546344
oct10711107
94342730
102331207
11135251a
129450b3
13638118
144497cb
15310adc
hex239247

2331207 has 8 divisors (see below), whose sum is σ = 3453680. Its totient is φ = 1554120.

The previous prime is 2331191. The next prime is 2331253. The reversal of 2331207 is 7021332.

It is not a de Polignac number, because 2331207 - 24 = 2331191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2333207) 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, 43144 + ... + 43197.

It is an arithmetic number, because the mean of its divisors is an integer number (431710).

22331207 is an apocalyptic number.

2331207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2331207 is a deficient number, since it is larger than the sum of its proper divisors (1122473).

2331207 is an equidigital number, since it uses as much as digits as its factorization.

2331207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86350 (or 86344 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2331207 is about 1526.8290670537. The cubic root of 2331207 is about 132.5949384854.

Adding to 2331207 its reverse (7021332), we get a palindrome (9352539).

The spelling of 2331207 in words is "two million, three hundred thirty-one thousand, two hundred seven".

Divisors: 1 3 9 27 86341 259023 777069 2331207