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1144100405 = 5739782339
BaseRepresentation
bin100010000110001…
…1001011000110101
32221201211022201002
41010030121120311
54320342203110
6305310013045
740231456460
oct10414313065
92851738632
101144100405
115378a6628
1227b1a7185
131530519b6
14abd3c2d7
156a697aa5
hex44319635

1144100405 has 16 divisors (see below), whose sum is σ = 1573023360. Its totient is φ = 782540352.

The previous prime is 1144100393. The next prime is 1144100471. The reversal of 1144100405 is 5040014411.

It is a cyclic number.

It is not a de Polignac number, because 1144100405 - 28 = 1144100149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27275 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (98313960).

Almost surely, 21144100405 is an apocalyptic number.

It is an amenable number.

1144100405 is a deficient number, since it is larger than the sum of its proper divisors (428922955).

1144100405 is an equidigital number, since it uses as much as digits as its factorization.

1144100405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82748.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1144100405 is about 33824.5532860376. The cubic root of 1144100405 is about 1045.8949027771.

Adding to 1144100405 its reverse (5040014411), we get a palindrome (6184114816).

The spelling of 1144100405 in words is "one billion, one hundred forty-four million, one hundred thousand, four hundred five".

Divisors: 1 5 7 35 397 1985 2779 13895 82339 411695 576373 2881865 32688583 163442915 228820081 1144100405