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1111400022 = 231919994877
BaseRepresentation
bin100001000111110…
…1001111001010110
32212110021222012210
41002033221321112
54234004300042
6302141054250
736353513205
oct10217517126
92773258183
101111400022
115203a1317
12270257386
13149342865
14a786923c
1567888a9c
hex423e9e56

1111400022 has 32 divisors (see below), whose sum is σ = 2341440000. Its totient is φ = 350720928.

The previous prime is 1111400011. The next prime is 1111400029. The reversal of 1111400022 is 2200041111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111399980 and 1111400007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111400029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225448 + ... + 230324.

It is an arithmetic number, because the mean of its divisors is an integer number (73170000).

Almost surely, 21111400022 is an apocalyptic number.

1111400022 is an abundant number, since it is smaller than the sum of its proper divisors (1230039978).

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

1111400022 is a wasteful number, since it uses less digits than its factorization.

1111400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1111400022 is about 33337.6667149937. Note that the first 3 decimals coincide. The cubic root of 1111400022 is about 1035.8339322022.

Adding to 1111400022 its reverse (2200041111), we get a palindrome (3311441133).

The spelling of 1111400022 in words is "one billion, one hundred eleven million, four hundred thousand, twenty-two".

Divisors: 1 2 3 6 19 38 57 114 1999 3998 4877 5997 9754 11994 14631 29262 37981 75962 92663 113943 185326 227886 277989 555978 9749123 19498246 29247369 58494738 185233337 370466674 555700011 1111400022