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1335839420 = 22566791971
BaseRepresentation
bin100111110011111…
…0100101010111100
310110002121200012002
41033213310222330
510213433330140
6340315401432
745050306366
oct11747645274
93402550162
101335839420
11626056a23
12313453278
131839a5b36
14c95add36
157c41e415
hex4f9f4abc

1335839420 has 12 divisors (see below), whose sum is σ = 2805262824. Its totient is φ = 534335760.

The previous prime is 1335839389. The next prime is 1335839429. The reversal of 1335839420 is 249385331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335839429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33395966 + ... + 33396005.

It is an arithmetic number, because the mean of its divisors is an integer number (233771902).

Almost surely, 21335839420 is an apocalyptic number.

1335839420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1335839420 is an abundant number, since it is smaller than the sum of its proper divisors (1469423404).

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

1335839420 is a wasteful number, since it uses less digits than its factorization.

1335839420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66791980 (or 66791978 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1335839420 is about 36549.1370623165. The cubic root of 1335839420 is about 1101.3315610353.

The spelling of 1335839420 in words is "one billion, three hundred thirty-five million, eight hundred thirty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 66791971 133583942 267167884 333959855 667919710 1335839420