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1111440044 = 2211131943077
BaseRepresentation
bin100001000111111…
…0011101010101100
32212110101000010002
41002033303222230
54234012040134
6302142003432
736354040661
oct10217635254
92773330102
101111440044
115204193a0
12270276578
13149357b40
14a7879a68
156789587e
hex423f3aac

1111440044 has 24 divisors (see below), whose sum is σ = 2285059728. Its totient is φ = 466338240.

The previous prime is 1111440041. The next prime is 1111440061. The reversal of 1111440044 is 4400441111.

It is a happy number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111439998 and 1111440025.

It is not an unprimeable number, because it can be changed into a prime (1111440041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970967 + ... + 972110.

It is an arithmetic number, because the mean of its divisors is an integer number (95210822).

Almost surely, 21111440044 is an apocalyptic number.

It is an amenable number.

1111440044 is an abundant number, since it is smaller than the sum of its proper divisors (1173619684).

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

1111440044 is a wasteful number, since it uses less digits than its factorization.

1111440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943105 (or 1943103 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1111440044 is about 33338.2669615564. The cubic root of 1111440044 is about 1035.8463656636.

Adding to 1111440044 its reverse (4400441111), we get a palindrome (5511881155).

It can be divided in two parts, 1111 and 440044, that multiplied together give a palindrome (488888884).

The spelling of 1111440044 in words is "one billion, one hundred eleven million, four hundred forty thousand, forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 1943077 3886154 7772308 21373847 25260001 42747694 50520002 85495388 101040004 277860011 555720022 1111440044