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1420410023 = 3973577859
BaseRepresentation
bin101010010101001…
…1011110010100111
310122222202022020122
41110222123302213
510402111110043
6352540152155
750125200044
oct12452336247
93588668218
101420410023
1166986a08a
1233783865b
13198376706
14d69061cb
1584a77368
hex54a9bca7

1420410023 has 4 divisors (see below), whose sum is σ = 1423988280. Its totient is φ = 1416831768.

The previous prime is 1420409981. The next prime is 1420410029. The reversal of 1420410023 is 3200140241.

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 1420410023 - 224 = 1403632807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420409983 and 1420410010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420410029) 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, 1788533 + ... + 1789326.

It is an arithmetic number, because the mean of its divisors is an integer number (355997070).

Almost surely, 21420410023 is an apocalyptic number.

1420410023 is a deficient number, since it is larger than the sum of its proper divisors (3578257).

1420410023 is an equidigital number, since it uses as much as digits as its factorization.

1420410023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578256.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1420410023 is about 37688.3274104861. The cubic root of 1420410023 is about 1124.0990377963.

Adding to 1420410023 its reverse (3200140241), we get a palindrome (4620550264).

The spelling of 1420410023 in words is "one billion, four hundred twenty million, four hundred ten thousand, twenty-three".

Divisors: 1 397 3577859 1420410023