Search a number
-
+
1365228 = 223312641
BaseRepresentation
bin101001101010011101100
32120100202000
411031103230
5322141403
645132300
714414154
oct5152354
92510660
101365228
11852797
1255a090
1338a537
14277764
151be7a3
hex14d4ec

1365228 has 24 divisors (see below), whose sum is σ = 3539760. Its totient is φ = 455040.

The previous prime is 1365223. The next prime is 1365239. The reversal of 1365228 is 8225631.

1365228 is a `hidden beast` number, since 1 + 3 + 652 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1365223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6213 + ... + 6428.

It is an arithmetic number, because the mean of its divisors is an integer number (147490).

21365228 is an apocalyptic number.

1365228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1365228 is an abundant number, since it is smaller than the sum of its proper divisors (2174532).

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

1365228 is a wasteful number, since it uses less digits than its factorization.

1365228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654 (or 12646 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1365228 is about 1168.4297154729. The cubic root of 1365228 is about 110.9349509300.

The spelling of 1365228 in words is "one million, three hundred sixty-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 12641 25282 37923 50564 75846 113769 151692 227538 341307 455076 682614 1365228