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1330305452 = 227169727997
BaseRepresentation
bin100111101001010…
…1101100110101100
310102201012112000022
41033102231212230
510211024233302
6340001021312
744652260360
oct11722554654
93381175008
101330305452
11622a171a3
12311624838
131827b8cb8
14c896d2a0
157bbc98a2
hex4f4ad9ac

1330305452 has 24 divisors (see below), whose sum is σ = 2662273824. Its totient is φ = 569774592.

The previous prime is 1330305451. The next prime is 1330305479. The reversal of 1330305452 is 2545030331.

It is not an unprimeable number, because it can be changed into a prime (1330305451) 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, 33518 + ... + 61514.

It is an arithmetic number, because the mean of its divisors is an integer number (110928076).

Almost surely, 21330305452 is an apocalyptic number.

It is an amenable number.

1330305452 is an abundant number, since it is smaller than the sum of its proper divisors (1331968372).

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

1330305452 is a wasteful number, since it uses less digits than its factorization.

1330305452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29705 (or 29703 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1330305452 is about 36473.3526290085. The cubic root of 1330305452 is about 1099.8086311720.

Adding to 1330305452 its reverse (2545030331), we get a palindrome (3875335783).

The spelling of 1330305452 in words is "one billion, three hundred thirty million, three hundred five thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 1697 3394 6788 11879 23758 27997 47516 55994 111988 195979 391958 783916 47510909 95021818 190043636 332576363 665152726 1330305452