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1244423024 = 24135982803
BaseRepresentation
bin100101000101100…
…0110001101110000
310012201121020110122
41022023012031300
510022033014044
6323252145412
742560264315
oct11213061560
93181536418
101244423024
11589498489
122a8908268
1316aa792b0
14bb3b4d0c
15743b2dee
hex4a2c6370

1244423024 has 20 divisors (see below), whose sum is σ = 2596536936. Its totient is φ = 574348992.

The previous prime is 1244423003. The next prime is 1244423029. The reversal of 1244423024 is 4203244421.

It is a happy number.

It is a super-2 number, since 2×12444230242 = 3097177325322609152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1244422984 and 1244423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244423029) by changing a digit.

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, 2991194 + ... + 2991609.

Almost surely, 21244423024 is an apocalyptic number.

It is an amenable number.

1244423024 is an abundant number, since it is smaller than the sum of its proper divisors (1352113912).

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

1244423024 is a wasteful number, since it uses less digits than its factorization.

1244423024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982824 (or 5982818 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1244423024 is about 35276.3805399590. The cubic root of 1244423024 is about 1075.6129258217.

Adding to 1244423024 its reverse (4203244421), we get a palindrome (5447667445).

The spelling of 1244423024 in words is "one billion, two hundred forty-four million, four hundred twenty-three thousand, twenty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 5982803 11965606 23931212 47862424 77776439 95724848 155552878 311105756 622211512 1244423024