Search a number
-
+
1123414487 = 13231214433
BaseRepresentation
bin100001011110101…
…1111000111010111
32220021220100221222
41002331133013113
54300043230422
6303250400555
736560602616
oct10275370727
92807810858
101123414487
11527157a28
1227429015b
1314b98b300
14a92b587d
156895d842
hex42f5f1d7

1123414487 has 12 divisors (see below), whose sum is σ = 1255725504. Its totient is φ = 1003541760.

The previous prime is 1123414471. The next prime is 1123414531. The reversal of 1123414487 is 7844143211.

It is not a de Polignac number, because 1123414487 - 24 = 1123414471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123414427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101978 + ... + 112455.

It is an arithmetic number, because the mean of its divisors is an integer number (104643792).

Almost surely, 21123414487 is an apocalyptic number.

1123414487 is a deficient number, since it is larger than the sum of its proper divisors (132311017).

1123414487 is a wasteful number, since it uses less digits than its factorization.

1123414487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214490 (or 214477 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 1123414487 is about 33517.3758966898. The cubic root of 1123414487 is about 1039.5530892302.

Adding to 1123414487 its reverse (7844143211), we get a palindrome (8967557698).

The spelling of 1123414487 in words is "one billion, one hundred twenty-three million, four hundred fourteen thousand, four hundred eighty-seven".

Divisors: 1 13 31 169 403 5239 214433 2787629 6647423 36239177 86416499 1123414487