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40875239 = 291409491
BaseRepresentation
bin1001101111101…
…1010011100111
32211220200021202
42123323103213
540431001424
64020033115
71004301536
oct233732347
984820252
1040875239
1121089199
121183279b
138612042
14560031d
1538c62ae
hex26fb4e7

40875239 has 4 divisors (see below), whose sum is σ = 42284760. Its totient is φ = 39465720.

The previous prime is 40875223. The next prime is 40875271. The reversal of 40875239 is 93257804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40875239 - 24 = 40875223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40875139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704717 + ... + 704774.

It is an arithmetic number, because the mean of its divisors is an integer number (10571190).

Almost surely, 240875239 is an apocalyptic number.

40875239 is a deficient number, since it is larger than the sum of its proper divisors (1409521).

40875239 is a wasteful number, since it uses less digits than its factorization.

40875239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409520.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 40875239 is about 6393.3746175240. The cubic root of 40875239 is about 344.4716101093.

It can be divided in two parts, 40875 and 239, that added together give a palindrome (41114).

The spelling of 40875239 in words is "forty million, eight hundred seventy-five thousand, two hundred thirty-nine".

Divisors: 1 29 1409491 40875239