Search a number
-
+
1205330 = 25767257
BaseRepresentation
bin100100110010001010010
32021020101212
410212101102
5302032310
641500122
713150040
oct4462122
92236355
101205330
11753645
124a1642
13332819
14235390
1518c205
hex126452

1205330 has 32 divisors (see below), whose sum is σ = 2526336. Its totient is φ = 405504.

The previous prime is 1205293. The next prime is 1205339. The reversal of 1205330 is 335021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1205339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4562 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (78948).

21205330 is an apocalyptic number.

1205330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205330 is an abundant number, since it is smaller than the sum of its proper divisors (1321006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205330 is a wasteful number, since it uses less digits than its factorization.

1205330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1205330 is about 1097.8752205966. The cubic root of 1205330 is about 106.4229570567.

The spelling of 1205330 in words is "one million, two hundred five thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 257 335 469 514 670 938 1285 1799 2345 2570 3598 4690 8995 17219 17990 34438 86095 120533 172190 241066 602665 1205330