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1105401245 = 51317006173
BaseRepresentation
bin100000111100011…
…0001010110011101
32212001000012102212
41001320301112131
54230440314440
6301404330205
736251520104
oct10170612635
92761005385
101105401245
11517a74353
1226a243965
131480222a0
14a6b4703b
15670a1465
hex41e3159d

1105401245 has 8 divisors (see below), whose sum is σ = 1428518616. Its totient is φ = 816296256.

The previous prime is 1105401211. The next prime is 1105401257. The reversal of 1105401245 is 5421045011.

It can be written as a sum of positive squares in 4 ways, for example, as 21279769 + 1084121476 = 4613^2 + 32926^2 .

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 1105401245 - 26 = 1105401181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105401245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8503022 + ... + 8503151.

It is an arithmetic number, because the mean of its divisors is an integer number (178564827).

Almost surely, 21105401245 is an apocalyptic number.

It is an amenable number.

1105401245 is a deficient number, since it is larger than the sum of its proper divisors (323117371).

1105401245 is a wasteful number, since it uses less digits than its factorization.

1105401245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17006191.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1105401245 is about 33247.5750243533. The cubic root of 1105401245 is about 1033.9669326734.

Adding to 1105401245 its reverse (5421045011), we get a palindrome (6526446256).

The spelling of 1105401245 in words is "one billion, one hundred five million, four hundred one thousand, two hundred forty-five".

Divisors: 1 5 13 65 17006173 85030865 221080249 1105401245