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1332430420 = 225173918913
BaseRepresentation
bin100111101101011…
…0100011001010100
310102212012110220211
41033122310121110
510212100233140
6340114335204
745006320536
oct11732643124
93385173824
101332430420
11624138772
1231228a504
13183081289
14c8d63856
157be992ea
hex4f6b4654

1332430420 has 24 divisors (see below), whose sum is σ = 2962698984. Its totient is φ = 501620736.

The previous prime is 1332430409. The next prime is 1332430427. The reversal of 1332430420 is 240342331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 424854544 + 907575876 = 20612^2 + 30126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1332430391 and 1332430400.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959117 + ... + 1959796.

It is an arithmetic number, because the mean of its divisors is an integer number (123445791).

Almost surely, 21332430420 is an apocalyptic number.

1332430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332430420 is an abundant number, since it is smaller than the sum of its proper divisors (1630268564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1332430420 is a wasteful number, since it uses less digits than its factorization.

1332430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918939 (or 3918937 counting only the distinct ones).

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

The square root of 1332430420 is about 36502.4714231790. The cubic root of 1332430420 is about 1100.3939140175.

Adding to 1332430420 its reverse (240342331), we get a palindrome (1572772751).

The spelling of 1332430420 in words is "one billion, three hundred thirty-two million, four hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3918913 7837826 15675652 19594565 39189130 66621521 78378260 133243042 266486084 333107605 666215210 1332430420