Search a number
-
+
2280392 = 23285049
BaseRepresentation
bin1000101100101111001000
311021212002222
420230233020
51040433032
6120513212
725245242
oct10545710
94255088
102280392
111318324
1291b808
1361ac5a
14435092
15300a12
hex22cbc8

2280392 has 8 divisors (see below), whose sum is σ = 4275750. Its totient is φ = 1140192.

The previous prime is 2280367. The next prime is 2280401. The reversal of 2280392 is 2930822.

It can be written as a sum of positive squares in only one way, i.e., 1331716 + 948676 = 1154^2 + 974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142517 + ... + 142532.

22280392 is an apocalyptic number.

It is an amenable number.

2280392 is a deficient number, since it is larger than the sum of its proper divisors (1995358).

2280392 is a wasteful number, since it uses less digits than its factorization.

2280392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285055 (or 285051 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2280392 is about 1510.0966856463. The cubic root of 2280392 is about 131.6244298287.

The spelling of 2280392 in words is "two million, two hundred eighty thousand, three hundred ninety-two".

Divisors: 1 2 4 8 285049 570098 1140196 2280392