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1405104055 = 51923732087
BaseRepresentation
bin101001111000000…
…0010111110110111
310121220221200101221
41103300002332313
510334201312210
6351232131211
746551121165
oct12360027667
93556850357
101405104055
11661165523
12332696b07
13195147a24
14d4880235
15835521da
hex53c02fb7

1405104055 has 24 divisors (see below), whose sum is σ = 1785164832. Its totient is φ = 1061557056.

The previous prime is 1405104049. The next prime is 1405104059. The reversal of 1405104055 is 5504015041.

It is a happy number.

It is not a de Polignac number, because 1405104055 - 221 = 1403006903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405104059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672222 + ... + 674308.

It is an arithmetic number, because the mean of its divisors is an integer number (74381868).

Almost surely, 21405104055 is an apocalyptic number.

1405104055 is a deficient number, since it is larger than the sum of its proper divisors (380060777).

1405104055 is a wasteful number, since it uses less digits than its factorization.

1405104055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1405104055 is about 37484.7176193179. The cubic root of 1405104055 is about 1120.0467813687.

Adding to 1405104055 its reverse (5504015041), we get a palindrome (6909119096).

The spelling of 1405104055 in words is "one billion, four hundred five million, one hundred four thousand, fifty-five".

Divisors: 1 5 19 95 361 373 1805 1865 2087 7087 10435 35435 39653 134653 198265 673265 753407 778451 3767035 3892255 14790569 73952845 281020811 1405104055