Search a number
-
+
1103420450 = 2521112715797
BaseRepresentation
bin100000111000100…
…1101110000100010
32211220021120022002
41001301031300202
54224433423300
6301254044002
736225630146
oct10161156042
92756246262
101103420450
11516941130
12269649602
131477aa812
14a678d226
1566d0e5d5
hex41c4dc22

1103420450 has 48 divisors (see below), whose sum is σ = 2256712704. Its totient is φ = 398059200.

The previous prime is 1103420431. The next prime is 1103420453. The reversal of 1103420450 is 540243011.

It is not an unprimeable number, because it can be changed into a prime (1103420453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61952 + ... + 77748.

It is an arithmetic number, because the mean of its divisors is an integer number (47014848).

Almost surely, 21103420450 is an apocalyptic number.

1103420450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103420450 is an abundant number, since it is smaller than the sum of its proper divisors (1153292254).

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

1103420450 is a wasteful number, since it uses less digits than its factorization.

1103420450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15947 (or 15942 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1103420450 is about 33217.7731041682. The cubic root of 1103420450 is about 1033.3489666961.

Adding to 1103420450 its reverse (540243011), we get a palindrome (1643663461).

The spelling of 1103420450 in words is "one billion, one hundred three million, four hundred twenty thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 127 254 275 550 635 1270 1397 2794 3175 6350 6985 13970 15797 31594 34925 69850 78985 157970 173767 347534 394925 789850 868835 1737670 2006219 4012438 4344175 8688350 10031095 20062190 22068409 44136818 50155475 100310950 110342045 220684090 551710225 1103420450