Search a number
-
+
1103443438 = 21393969221
BaseRepresentation
bin100000111000101…
…0011010111101110
32211220022201211111
41001301103113232
54224440142223
6301254342234
736226054156
oct10161232756
92756281744
101103443438
11516957429
1226965a97a
131477b8116
14a6797766
1566d1630d
hex41c535ee

1103443438 has 8 divisors (see below), whose sum is σ = 1667073240. Its totient is φ = 547752360.

The previous prime is 1103443433. The next prime is 1103443441. The reversal of 1103443438 is 8343443011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103443433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984333 + ... + 1984888.

It is an arithmetic number, because the mean of its divisors is an integer number (208384155).

Almost surely, 21103443438 is an apocalyptic number.

1103443438 is a deficient number, since it is larger than the sum of its proper divisors (563629802).

1103443438 is a wasteful number, since it uses less digits than its factorization.

1103443438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969362.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1103443438 is about 33218.1191219491. The cubic root of 1103443438 is about 1033.3561427038.

Adding to 1103443438 its reverse (8343443011), we get a palindrome (9446886449).

The spelling of 1103443438 in words is "one billion, one hundred three million, four hundred forty-three thousand, four hundred thirty-eight".

Divisors: 1 2 139 278 3969221 7938442 551721719 1103443438