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1332430421 = 7375144519
BaseRepresentation
bin100111101101011…
…0100011001010101
310102212012110220212
41033122310121111
510212100233141
6340114335205
745006320540
oct11732643125
93385173825
101332430421
11624138773
1231228a505
1318308128a
14c8d63857
157be992eb
hex4f6b4655

1332430421 has 8 divisors (see below), whose sum is σ = 1563934080. Its totient is φ = 1111215888.

The previous prime is 1332430409. The next prime is 1332430427. The reversal of 1332430421 is 1240342331.

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 1332430421 - 226 = 1265321557 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 (1332430427) 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, 2572001 + ... + 2572518.

It is an arithmetic number, because the mean of its divisors is an integer number (195491760).

Almost surely, 21332430421 is an apocalyptic number.

It is an amenable number.

1332430421 is a deficient number, since it is larger than the sum of its proper divisors (231503659).

1332430421 is an equidigital number, since it uses as much as digits as its factorization.

1332430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144563.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1332430421 is about 36502.4714368767. The cubic root of 1332430421 is about 1100.3939142928.

Adding to 1332430421 its reverse (1240342331), we get a palindrome (2572772752).

The spelling of 1332430421 in words is "one billion, three hundred thirty-two million, four hundred thirty thousand, four hundred twenty-one".

Divisors: 1 7 37 259 5144519 36011633 190347203 1332430421