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1105511401 = 19710315443
BaseRepresentation
bin100000111100100…
…1100001111101001
32212001012210112201
41001321030033221
54231002331101
6301410540201
736252456211
oct10171141751
92761183481
101105511401
1151803a095
1226a297661
13148060477
14a6b75241
15670c3e01
hex41e4c3e9

1105511401 has 8 divisors (see below), whose sum is σ = 1112405184. Its totient is φ = 1098630960.

The previous prime is 1105511359. The next prime is 1105511417. The reversal of 1105511401 is 1041155011.

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 1105511401 - 27 = 1105511273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105511461) 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, 200386 + ... + 205828.

It is an arithmetic number, because the mean of its divisors is an integer number (139050648).

Almost surely, 21105511401 is an apocalyptic number.

It is an amenable number.

1105511401 is a deficient number, since it is larger than the sum of its proper divisors (6893783).

1105511401 is a wasteful number, since it uses less digits than its factorization.

1105511401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 1105511401 is about 33249.2315851058. The cubic root of 1105511401 is about 1034.0012773299.

Adding to 1105511401 its reverse (1041155011), we get a palindrome (2146666412).

The spelling of 1105511401 in words is "one billion, one hundred five million, five hundred eleven thousand, four hundred one".

Divisors: 1 197 1031 5443 203107 1072271 5611733 1105511401