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39801041 = 75685863
BaseRepresentation
bin1001011111010…
…1000011010001
32202220002202122
42113311003101
540142113131
63541024025
7662206010
oct227650321
982802678
1039801041
1120515125
12113b5015
138327117
145400a77
153762d7b
hex25f50d1

39801041 has 4 divisors (see below), whose sum is σ = 45486912. Its totient is φ = 34115172.

The previous prime is 39801031. The next prime is 39801043. The reversal of 39801041 is 14010893.

39801041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14010893 = 131077761.

It is not a de Polignac number, because 39801041 - 210 = 39800017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39801041.

It is not an unprimeable number, because it can be changed into a prime (39801043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842925 + ... + 2842938.

It is an arithmetic number, because the mean of its divisors is an integer number (11371728).

Almost surely, 239801041 is an apocalyptic number.

It is an amenable number.

39801041 is a deficient number, since it is larger than the sum of its proper divisors (5685871).

39801041 is an equidigital number, since it uses as much as digits as its factorization.

39801041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685870.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 39801041 is about 6308.8066224921. The cubic root of 39801041 is about 341.4272214319.

The spelling of 39801041 in words is "thirty-nine million, eight hundred one thousand, forty-one".

Divisors: 1 7 5685863 39801041