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1405430716 = 2215719111717
BaseRepresentation
bin101001111000101…
…0010101110111100
310121221120021111111
41103301102232330
510334242240331
6351243131404
746553651434
oct12361225674
93557507444
101405430716
11661368998
12332813b64
13195230611
14d49272c4
15835b8db1
hex53c52bbc

1405430716 has 24 divisors (see below), whose sum is σ = 2488340736. Its totient is φ = 694524480.

The previous prime is 1405430713. The next prime is 1405430743. The reversal of 1405430716 is 6170345041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405430711) 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 7 ways as a sum of consecutive naturals, for example, 114090 + ... + 125806.

It is an arithmetic number, because the mean of its divisors is an integer number (103680864).

Almost surely, 21405430716 is an apocalyptic number.

It is an amenable number.

1405430716 is a deficient number, since it is larger than the sum of its proper divisors (1082910020).

1405430716 is a wasteful number, since it uses less digits than its factorization.

1405430716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12069 (or 12067 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1405430716 is about 37489.0746218148. The cubic root of 1405430716 is about 1120.1335714421.

Adding to 1405430716 its reverse (6170345041), we get a palindrome (7575775757).

The spelling of 1405430716 in words is "one billion, four hundred five million, four hundred thirty thousand, seven hundred sixteen".

Divisors: 1 2 4 157 191 314 382 628 764 11717 23434 29987 46868 59974 119948 1839569 2237947 3679138 4475894 7358276 8951788 351357679 702715358 1405430716