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1415420455 = 5283084091
BaseRepresentation
bin101010001011101…
…1001101000100111
310122122100210211211
41110113121220213
510344321423310
6352241212251
750034606151
oct12427315047
93578323754
101415420455
11666a71379
12336031087
1319731a5c7
14d5da7ad1
15843ddc8a
hex545d9a27

1415420455 has 4 divisors (see below), whose sum is σ = 1698504552. Its totient is φ = 1132336360.

The previous prime is 1415420453. The next prime is 1415420521. The reversal of 1415420455 is 5540245141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5540245141 = 17325896773.

It is not a de Polignac number, because 1415420455 - 21 = 1415420453 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 (1415420453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141542041 + ... + 141542050.

It is an arithmetic number, because the mean of its divisors is an integer number (424626138).

Almost surely, 21415420455 is an apocalyptic number.

1415420455 is a deficient number, since it is larger than the sum of its proper divisors (283084097).

1415420455 is an equidigital number, since it uses as much as digits as its factorization.

1415420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283084096.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1415420455 is about 37622.0740390532. The cubic root of 1415420455 is about 1122.7812612919.

Adding to 1415420455 its reverse (5540245141), we get a palindrome (6955665596).

The spelling of 1415420455 in words is "one billion, four hundred fifteen million, four hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 283084091 1415420455