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1380648804 = 223115054067
BaseRepresentation
bin101001001001011…
…0000011101100100
310120012221020002220
41102102300131210
510311421230204
6345000032340
746133215113
oct12222603544
93505836086
101380648804
11649381977
123264626b0
13190064772
14d1515c7a
15813211d9
hex524b0764

1380648804 has 12 divisors (see below), whose sum is σ = 3221513904. Its totient is φ = 460216264.

The previous prime is 1380648799. The next prime is 1380648811. The reversal of 1380648804 is 4088460831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13806488042 = 3812382239973260832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57527022 + ... + 57527045.

It is an arithmetic number, because the mean of its divisors is an integer number (268459492).

Almost surely, 21380648804 is an apocalyptic number.

It is an amenable number.

1380648804 is an abundant number, since it is smaller than the sum of its proper divisors (1840865100).

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

1380648804 is a wasteful number, since it uses less digits than its factorization.

1380648804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115054074 (or 115054072 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1380648804 is about 37157.0828241400. The cubic root of 1380648804 is about 1113.5107317288.

The spelling of 1380648804 in words is "one billion, three hundred eighty million, six hundred forty-eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 115054067 230108134 345162201 460216268 690324402 1380648804