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1420415505 = 325293135111
BaseRepresentation
bin101010010101001…
…1101001000010001
310122222202120202200
41110222131020101
510402111244010
6352540233413
750125222035
oct12452351021
93588676680
101420415505
11669873213
1233783b869
13198379062
14d69081c5
1584a78cc0
hex54a9d211

1420415505 has 48 divisors (see below), whose sum is σ = 2629186560. Its totient is φ = 707817600.

The previous prime is 1420415473. The next prime is 1420415539. The reversal of 1420415505 is 5055140241.

1420415505 is a `hidden beast` number, since 142 + 0 + 4 + 15 + 505 = 666.

It is not a de Polignac number, because 1420415505 - 25 = 1420415473 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 22900 + ... + 58010.

It is an arithmetic number, because the mean of its divisors is an integer number (54774720).

Almost surely, 21420415505 is an apocalyptic number.

1420415505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420415505 is a deficient number, since it is larger than the sum of its proper divisors (1208771055).

1420415505 is a wasteful number, since it uses less digits than its factorization.

1420415505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35182 (or 35179 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1420415505 is about 37688.4001385042. The cubic root of 1420415505 is about 1124.1004839287.

Adding to 1420415505 its reverse (5055140241), we get a palindrome (6475555746).

The spelling of 1420415505 in words is "one billion, four hundred twenty million, four hundred fifteen thousand, five hundred five".

Divisors: 1 3 5 9 15 29 31 45 87 93 145 155 261 279 435 465 899 1305 1395 2697 4495 8091 13485 35111 40455 105333 175555 315999 526665 1018219 1088441 1579995 3054657 3265323 5091095 5442205 9163971 9795969 15273285 16326615 31564789 45819855 48979845 94694367 157823945 284083101 473471835 1420415505