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1330402423 = 7792405791
BaseRepresentation
bin100111101001100…
…0101010001110111
310102201101110000211
41033103011101313
510211040334143
6340003050251
744653143160
oct11723052167
93381343024
101330402423
11622a83039
12311670987
1318282118c
14c8996767
157bbe849d
hex4f4c5477

1330402423 has 8 divisors (see below), whose sum is σ = 1539706880. Its totient is φ = 1125909720.

The previous prime is 1330402421. The next prime is 1330402427. The reversal of 1330402423 is 3242040331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330402423 - 21 = 1330402421 is a prime.

It is a super-3 number, since 3×13304024233 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330402394 and 1330402403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330402421) 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 7 ways as a sum of consecutive naturals, for example, 1202343 + ... + 1203448.

It is an arithmetic number, because the mean of its divisors is an integer number (192463360).

Almost surely, 21330402423 is an apocalyptic number.

1330402423 is a deficient number, since it is larger than the sum of its proper divisors (209304457).

1330402423 is an equidigital number, since it uses as much as digits as its factorization.

1330402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405877.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330402423 is about 36474.6819451520. The cubic root of 1330402423 is about 1099.8353535941.

Adding to 1330402423 its reverse (3242040331), we get a palindrome (4572442754).

The spelling of 1330402423 in words is "one billion, three hundred thirty million, four hundred two thousand, four hundred twenty-three".

Divisors: 1 7 79 553 2405791 16840537 190057489 1330402423