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1405296089 = 7271933007
BaseRepresentation
bin101001111000011…
…0001110111011001
310121221022102211022
41103300301313121
510334223433324
6351240212225
746552551101
oct12360616731
93557272738
101405296089
1166128682a
1233276a075
131951b4262
14d48d0201
158358e05e
hex53c31dd9

1405296089 has 4 divisors (see below), whose sum is σ = 1407229824. Its totient is φ = 1403362356.

The previous prime is 1405296073. The next prime is 1405296091. The reversal of 1405296089 is 9806925041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1405296089 - 24 = 1405296073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405296019) 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, 965777 + ... + 967230.

It is an arithmetic number, because the mean of its divisors is an integer number (351807456).

Almost surely, 21405296089 is an apocalyptic number.

It is an amenable number.

1405296089 is a deficient number, since it is larger than the sum of its proper divisors (1933735).

1405296089 is an equidigital number, since it uses as much as digits as its factorization.

1405296089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933734.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1405296089 is about 37487.2790290253. The cubic root of 1405296089 is about 1120.0978042247.

The spelling of 1405296089 in words is "one billion, four hundred five million, two hundred ninety-six thousand, eighty-nine".

Divisors: 1 727 1933007 1405296089