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4039542431 = 171072220749
BaseRepresentation
bin1111000011000110…
…1000011010011111
3101102112010000110122
43300301220122133
531233110324211
61504501225155
7202050354431
oct36061503237
911375100418
104039542431
111793242021
12948a021bb
134c4b87bc2
142a46c8651
151899866db
hexf0c6869f

4039542431 has 8 divisors (see below), whose sum is σ = 4317138000. Its totient is φ = 3766388608.

The previous prime is 4039542383. The next prime is 4039542433. The reversal of 4039542431 is 1342459304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4039542431 - 226 = 3972433567 is a prime.

It is a super-2 number, since 2×40395424312 = 32635806103698779522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4039542391 and 4039542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4039542433) 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 7 ways as a sum of consecutive naturals, for example, 1108556 + ... + 1112193.

It is an arithmetic number, because the mean of its divisors is an integer number (539642250).

Almost surely, 24039542431 is an apocalyptic number.

4039542431 is a deficient number, since it is larger than the sum of its proper divisors (277595569).

4039542431 is a wasteful number, since it uses less digits than its factorization.

4039542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220873.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4039542431 is about 63557.3947782632. The cubic root of 4039542431 is about 1592.6147174872.

The spelling of 4039542431 in words is "four billion, thirty-nine million, five hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 17 107 1819 2220749 37752733 237620143 4039542431