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1111044401 = 17588111113
BaseRepresentation
bin100001000111001…
…0011000100110001
32212102121220101122
41002032103010301
54233411410101
6302125312025
736350502335
oct10216230461
92772556348
101111044401
11520179115
12270105615
13149249a2c
14a77b57c5
156781851b
hex42393131

1111044401 has 8 divisors (see below), whose sum is σ = 1176705864. Its totient is φ = 1045416960.

The previous prime is 1111044397. The next prime is 1111044409. The reversal of 1111044401 is 1044401111.

It can be written as a sum of positive squares in 4 ways, for example, as 140659600 + 970384801 = 11860^2 + 31151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1111044401 - 22 = 1111044397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1111044401.

It is not an unprimeable number, because it can be changed into a prime (1111044409) 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, 94421 + ... + 105533.

It is an arithmetic number, because the mean of its divisors is an integer number (147088233).

Almost surely, 21111044401 is an apocalyptic number.

It is an amenable number.

1111044401 is a deficient number, since it is larger than the sum of its proper divisors (65661463).

1111044401 is a wasteful number, since it uses less digits than its factorization.

1111044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1111044401 is about 33332.3326666467. The cubic root of 1111044401 is about 1035.7234398539.

Adding to 1111044401 its reverse (1044401111), we get a palindrome (2155445512).

The spelling of 1111044401 in words is "one billion, one hundred eleven million, forty-four thousand, four hundred one".

Divisors: 1 17 5881 11113 99977 188921 65355553 1111044401