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140801895 = 3451347569
BaseRepresentation
bin10000110010001…
…11011101100111
3100210221110220000
420121013131213
5242021130040
621545512343
73326540103
oct1031073547
9323843800
10140801895
117252a603
123b1a26b3
132322b340
14149b2903
15c564130
hex8647767

140801895 has 80 divisors (see below), whose sum is σ = 278087040. Its totient is φ = 67723776.

The previous prime is 140801893. The next prime is 140801917. The reversal of 140801895 is 598108041.

It is not a de Polignac number, because 140801895 - 21 = 140801893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140801893) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 247171 + ... + 247739.

It is an arithmetic number, because the mean of its divisors is an integer number (3476088).

Almost surely, 2140801895 is an apocalyptic number.

140801895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140801895 is a deficient number, since it is larger than the sum of its proper divisors (137285145).

140801895 is a wasteful number, since it uses less digits than its factorization.

140801895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 140801895 is about 11865.9974296306. The cubic root of 140801895 is about 520.2389126513.

The spelling of 140801895 in words is "one hundred forty million, eight hundred one thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 13 15 27 39 45 47 65 81 117 135 141 195 235 351 405 423 569 585 611 705 1053 1269 1707 1755 1833 2115 2845 3055 3807 5121 5265 5499 6345 7397 8535 9165 15363 16497 19035 22191 25605 26743 27495 36985 46089 49491 66573 76815 80229 82485 110955 133715 199719 230445 240687 247455 332865 347659 401145 599157 722061 998595 1042977 1203435 1738295 2166183 2995785 3128931 3610305 5214885 9386793 10830915 15644655 28160379 46933965 140801895