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40555875 = 353831303
BaseRepresentation
bin1001101010110…
…1010101100011
32211022110012110
42122231111203
540340242000
64005130403
71001501463
oct232552543
984273173
1040555875
1120990258
12116b9a03
13852c879
145559ba3
153861850
hex26ad563

40555875 has 32 divisors (see below), whose sum is σ = 68350464. Its totient is φ = 21352800.

The previous prime is 40555873. The next prime is 40555883. The reversal of 40555875 is 57855504.

It is not a de Polignac number, because 40555875 - 21 = 40555873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30474 + ... + 31776.

It is an arithmetic number, because the mean of its divisors is an integer number (2135952).

Almost surely, 240555875 is an apocalyptic number.

40555875 is a deficient number, since it is larger than the sum of its proper divisors (27794589).

40555875 is a wasteful number, since it uses less digits than its factorization.

40555875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 40555875 is about 6368.3494721945. The cubic root of 40555875 is about 343.5721283628.

It can be divided in two parts, 405 and 55875, that added together give a triangular number (56280 = T335).

The spelling of 40555875 in words is "forty million, five hundred fifty-five thousand, eight hundred seventy-five".

Divisors: 1 3 5 15 25 75 83 125 249 375 415 1245 1303 2075 3909 6225 6515 10375 19545 31125 32575 97725 108149 162875 324447 488625 540745 1622235 2703725 8111175 13518625 40555875