Search a number
-
+
2303145 = 3251331127
BaseRepresentation
bin1000110010010010101001
311100000022200
420302102221
51042200040
6121210413
725401465
oct10622251
94300280
102303145
111333429
12930a09
13628410
1443d4a5
15307630
hex2324a9

2303145 has 48 divisors (see below), whose sum is σ = 4472832. Its totient is φ = 1088640.

The previous prime is 2303137. The next prime is 2303153. The reversal of 2303145 is 5413032.

It is an interprime number because it is at equal distance from previous prime (2303137) and next prime (2303153).

It is not a de Polignac number, because 2303145 - 23 = 2303137 is a prime.

2303145 is a lucky number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18072 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (93184).

22303145 is an apocalyptic number.

It is an amenable number.

2303145 is a deficient number, since it is larger than the sum of its proper divisors (2169687).

2303145 is a wasteful number, since it uses less digits than its factorization.

2303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2303145 is about 1517.6116103931. The cubic root of 2303145 is about 132.0607502736.

Adding to 2303145 its reverse (5413032), we get a palindrome (7716177).

It can be divided in two parts, 230 and 3145, that added together give a cube (3375 = 153).

The spelling of 2303145 in words is "two million, three hundred three thousand, one hundred forty-five".

Divisors: 1 3 5 9 13 15 31 39 45 65 93 117 127 155 195 279 381 403 465 585 635 1143 1209 1395 1651 1905 2015 3627 3937 4953 5715 6045 8255 11811 14859 18135 19685 24765 35433 51181 59055 74295 153543 177165 255905 460629 767715 2303145