Search a number
-
+
1231342024 = 231113992523
BaseRepresentation
bin100100101100100…
…1100100111001000
310011210222122201011
41021121030213020
510010210421044
6322103533304
742341143303
oct11131144710
93153878634
101231342024
11582073540
122a445a234
13168149263
14b976bb3a
157317c134
hex4964c9c8

1231342024 has 16 divisors (see below), whose sum is σ = 2518654320. Its totient is φ = 559700880.

The previous prime is 1231342003. The next prime is 1231342037. The reversal of 1231342024 is 4202431321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1231341986 and 1231342004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996174 + ... + 6996349.

It is an arithmetic number, because the mean of its divisors is an integer number (157415895).

Almost surely, 21231342024 is an apocalyptic number.

It is an amenable number.

1231342024 is an abundant number, since it is smaller than the sum of its proper divisors (1287312296).

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

1231342024 is a wasteful number, since it uses less digits than its factorization.

1231342024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992540 (or 13992536 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1231342024 is about 35090.4833822505. The cubic root of 1231342024 is about 1071.8308028242.

Adding to 1231342024 its reverse (4202431321), we get a palindrome (5433773345).

The spelling of 1231342024 in words is "one billion, two hundred thirty-one million, three hundred forty-two thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 13992523 27985046 55970092 111940184 153917753 307835506 615671012 1231342024