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1405413563 = 1977134079
BaseRepresentation
bin101001111000100…
…1110100010111011
310121221112101222012
41103301032202323
510334241213223
6351242520135
746553550431
oct12361164273
93557471865
101405413563
11661357014
1233280604b
13195225878
14d4920d51
15835b3c78
hex53c4e8bb

1405413563 has 4 divisors (see below), whose sum is σ = 1412547840. Its totient is φ = 1398279288.

The previous prime is 1405413557. The next prime is 1405413589. The reversal of 1405413563 is 3653145041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1405413563 - 220 = 1404364987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405433563) 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 3 ways as a sum of consecutive naturals, for example, 3566843 + ... + 3567236.

It is an arithmetic number, because the mean of its divisors is an integer number (353136960).

Almost surely, 21405413563 is an apocalyptic number.

1405413563 is a deficient number, since it is larger than the sum of its proper divisors (7134277).

1405413563 is an equidigital number, since it uses as much as digits as its factorization.

1405413563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134276.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1405413563 is about 37488.8458477985. The cubic root of 1405413563 is about 1120.1290144217.

The spelling of 1405413563 in words is "one billion, four hundred five million, four hundred thirteen thousand, five hundred sixty-three".

Divisors: 1 197 7134079 1405413563