Search a number
-
+
2391230 = 25436783
BaseRepresentation
bin1001000111110010111110
311111111011002
421013302332
51103004410
6123130302
726216342
oct11076276
94444132
102391230
111393626
12973992
1365953a
14463622
153237a5
hex247cbe

2391230 has 32 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 909216.

The previous prime is 2391227. The next prime is 2391239. The reversal of 2391230 is 321932.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391239) 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, 28769 + ... + 28851.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

22391230 is an apocalyptic number.

2391230 is a deficient number, since it is larger than the sum of its proper divisors (2132674).

2391230 is a wasteful number, since it uses less digits than its factorization.

2391230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2391230 is about 1546.3602426343. The cubic root of 2391230 is about 133.7233096653.

The spelling of 2391230 in words is "two million, three hundred ninety-one thousand, two hundred thirty".

Divisors: 1 2 5 10 43 67 83 86 134 166 215 335 415 430 670 830 2881 3569 5561 5762 7138 11122 14405 17845 27805 28810 35690 55610 239123 478246 1195615 2391230