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1234243044 = 2232172817177
BaseRepresentation
bin100100110010001…
…0000110111100100
310012000110001011100
41021210100313210
510011431234134
6322250040100
742404615136
oct11144206744
93160401140
101234243044
11583775081
122a5419030
13168923838
14b9cc5056
1573551999
hex49910de4

1234243044 has 72 divisors (see below), whose sum is σ = 3315633048. Its totient is φ = 385781760.

The previous prime is 1234243033. The next prime is 1234243081. The reversal of 1234243044 is 4403424321.

It is a happy number.

1234243044 is a `hidden beast` number, since 12 + 342 + 4 + 304 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 748569600 + 485673444 = 27360^2 + 22038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1234242999 and 1234243017.

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 23 ways as a sum of consecutive naturals, for example, 168384 + ... + 175560.

It is an arithmetic number, because the mean of its divisors is an integer number (46050459).

Almost surely, 21234243044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234243044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657816524).

1234243044 is an abundant number, since it is smaller than the sum of its proper divisors (2081390004).

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

1234243044 is a wasteful number, since it uses less digits than its factorization.

1234243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7480 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1234243044 is about 35131.7953426807. The cubic root of 1234243044 is about 1072.6718807774.

Adding to 1234243044 its reverse (4403424321), we get a palindrome (5637667365).

The spelling of 1234243044 in words is "one billion, two hundred thirty-four million, two hundred forty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 281 306 562 612 843 1124 1686 2529 3372 4777 5058 7177 9554 10116 14331 14354 19108 21531 28662 28708 42993 43062 57324 64593 85986 86124 122009 129186 171972 244018 258372 366027 488036 732054 1098081 1464108 2016737 2196162 4033474 4392324 6050211 8066948 12100422 18150633 24200844 34284529 36301266 68569058 72602532 102853587 137138116 205707174 308560761 411414348 617121522 1234243044