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1111043444 = 227255710177
BaseRepresentation
bin100001000111001…
…0010110101110100
32212102121212002012
41002032102311310
54233411342234
6302125303352
736350466500
oct10216226564
92772555065
101111043444
11520178425
12270104b58
13149249474
14a77b5300
15678180ce
hex42392d74

1111043444 has 36 divisors (see below), whose sum is σ = 2266050276. Its totient is φ = 475259904.

The previous prime is 1111043407. The next prime is 1111043471. The reversal of 1111043444 is 4443401111.

It can be written as a sum of positive squares in 2 ways, for example, as 378691600 + 732351844 = 19460^2 + 27062^2 .

It is a super-2 number, since 2×11110434442 = 2468835068910762272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104084 + ... + 114260.

It is an arithmetic number, because the mean of its divisors is an integer number (62945841).

Almost surely, 21111043444 is an apocalyptic number.

1111043444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111043444 is an abundant number, since it is smaller than the sum of its proper divisors (1155006832).

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

1111043444 is a wasteful number, since it uses less digits than its factorization.

1111043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 10743 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1111043444 is about 33332.3183112126. The cubic root of 1111043444 is about 1035.7231424797.

Adding to 1111043444 its reverse (4443401111), we get a palindrome (5554444555).

The spelling of 1111043444 in words is "one billion, one hundred eleven million, forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 557 1114 2228 3899 7798 10177 15596 20354 27293 40708 54586 71239 109172 142478 284956 498673 997346 1994692 5668589 11337178 22674356 39680123 79360246 158720492 277760861 555521722 1111043444