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1354868540 = 225101670727
BaseRepresentation
bin101000011000001…
…1010011100111100
310111102102110020022
41100300122130330
510233321243130
6342235311312
745401123024
oct12060323474
93442373208
101354868540
11635873873
123198ab538
1318790937c
14cbd24a84
157de2c7e5
hex50c1a73c

1354868540 has 24 divisors (see below), whose sum is σ = 2873398752. Its totient is φ = 536580800.

The previous prime is 1354868519. The next prime is 1354868563. The reversal of 1354868540 is 458684531.

It is a junction number, because it is equal to n+sod(n) for n = 1354868491 and 1354868500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333344 + ... + 337383.

It is an arithmetic number, because the mean of its divisors is an integer number (119724948).

Almost surely, 21354868540 is an apocalyptic number.

1354868540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354868540 is an abundant number, since it is smaller than the sum of its proper divisors (1518530212).

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

1354868540 is a wasteful number, since it uses less digits than its factorization.

1354868540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670837 (or 670835 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 1354868540 is about 36808.5389549762. The cubic root of 1354868540 is about 1106.5364375151.

The spelling of 1354868540 in words is "one billion, three hundred fifty-four million, eight hundred sixty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 670727 1341454 2682908 3353635 6707270 13414540 67743427 135486854 270973708 338717135 677434270 1354868540