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1302422423 = 9191417217
BaseRepresentation
bin100110110100001…
…0110001110010111
310100202201220200112
41031220112032113
510131410004143
6333123233235
744163256631
oct11550261627
93322656615
101302422423
11609202275
1230421881b
13179aa5773
14c4d91a51
157951ce18
hex4da16397

1302422423 has 4 divisors (see below), whose sum is σ = 1303840560. Its totient is φ = 1301004288.

The previous prime is 1302422389. The next prime is 1302422461. The reversal of 1302422423 is 3242242031.

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 1302422423 - 28 = 1302422167 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 (1302422483) 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, 707690 + ... + 709527.

It is an arithmetic number, because the mean of its divisors is an integer number (325960140).

Almost surely, 21302422423 is an apocalyptic number.

1302422423 is a deficient number, since it is larger than the sum of its proper divisors (1418137).

1302422423 is an equidigital number, since it uses as much as digits as its factorization.

1302422423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418136.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1302422423 is about 36089.0900827383. The cubic root of 1302422423 is about 1092.0703637678.

Adding to 1302422423 its reverse (3242242031), we get a palindrome (4544664454).

The spelling of 1302422423 in words is "one billion, three hundred two million, four hundred twenty-two thousand, four hundred twenty-three".

Divisors: 1 919 1417217 1302422423