Search a number
-
+
1102480 = 24513781
BaseRepresentation
bin100001101001010010000
32002000022121
410031022100
5240234410
635344024
712241141
oct4151220
92060277
101102480
11693345
12452014
132c7a72
14209ac8
1516b9da
hex10d290

1102480 has 20 divisors (see below), whose sum is σ = 2563452. Its totient is φ = 440960.

The previous prime is 1102463. The next prime is 1102481. The reversal of 1102480 is 842011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 512656 + 589824 = 716^2 + 768^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1102481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6811 + ... + 6970.

21102480 is an apocalyptic number.

1102480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102480 is an abundant number, since it is smaller than the sum of its proper divisors (1460972).

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

1102480 is a wasteful number, since it uses less digits than its factorization.

1102480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1102480 is about 1049.9904761473. The cubic root of 1102480 is about 103.3055307327.

Adding to 1102480 its reverse (842011), we get a palindrome (1944491).

The spelling of 1102480 in words is "one million, one hundred two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 13781 27562 55124 68905 110248 137810 220496 275620 551240 1102480