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1244024331 = 31137697707
BaseRepresentation
bin100101000100110…
…0100111000001011
310012200211222120020
41022021210320023
510021432234311
6323235431523
742554014044
oct11211447013
93180758506
101244024331
11589245990
122a87555a3
1316a969994
14bb30d8cb
1574334c06
hex4a264e0b

1244024331 has 8 divisors (see below), whose sum is σ = 1809489984. Its totient is φ = 753954120.

The previous prime is 1244024329. The next prime is 1244024333. The reversal of 1244024331 is 1334204421.

It is an interprime number because it is at equal distance from previous prime (1244024329) and next prime (1244024333).

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

It is not a de Polignac number, because 1244024331 - 21 = 1244024329 is a prime.

It is a super-2 number, since 2×12440243312 = 3095193072239995122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244024333) 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 7 ways as a sum of consecutive naturals, for example, 18848821 + ... + 18848886.

It is an arithmetic number, because the mean of its divisors is an integer number (226186248).

Almost surely, 21244024331 is an apocalyptic number.

1244024331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1244024331 is a deficient number, since it is larger than the sum of its proper divisors (565465653).

1244024331 is a wasteful number, since it uses less digits than its factorization.

1244024331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37697721.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1244024331 is about 35270.7290965185. The cubic root of 1244024331 is about 1075.4980438933.

Adding to 1244024331 its reverse (1334204421), we get a palindrome (2578228752).

The spelling of 1244024331 in words is "one billion, two hundred forty-four million, twenty-four thousand, three hundred thirty-one".

Divisors: 1 3 11 33 37697707 113093121 414674777 1244024331