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1420212323 = 1974748017
BaseRepresentation
bin101010010100110…
…1011100001100011
310122222101021001102
41110221223201203
510402033243243
6352532025015
750123414465
oct12451534143
93588337042
101420212323
116697445a2
1233776216b
1319830772a
14d6894135
1584a389b8
hex54a6b863

1420212323 has 4 divisors (see below), whose sum is σ = 1494960360. Its totient is φ = 1345464288.

The previous prime is 1420212293. The next prime is 1420212341. The reversal of 1420212323 is 3232120241.

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 1420212323 - 212 = 1420208227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420212295 and 1420212304.

It is not an unprimeable number, because it can be changed into a prime (1420212373) 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, 37373990 + ... + 37374027.

It is an arithmetic number, because the mean of its divisors is an integer number (373740090).

Almost surely, 21420212323 is an apocalyptic number.

1420212323 is a deficient number, since it is larger than the sum of its proper divisors (74748037).

1420212323 is an equidigital number, since it uses as much as digits as its factorization.

1420212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74748036.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420212323 is about 37685.7044912258. The cubic root of 1420212323 is about 1124.0468827407.

Adding to 1420212323 its reverse (3232120241), we get a palindrome (4652332564).

The spelling of 1420212323 in words is "one billion, four hundred twenty million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 19 74748017 1420212323