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102040041 = 334013347
BaseRepresentation
bin1100001010100…
…00000111101001
321010000011121210
412011100013221
5202110240131
614043023333
72346216555
oct605200751
9233004553
10102040041
1152665214
122a20ab49
13181a922c
14d7a2865
158e59146
hex61501e9

102040041 has 4 divisors (see below), whose sum is σ = 136053392. Its totient is φ = 68026692.

The previous prime is 102040027. The next prime is 102040061. The reversal of 102040041 is 140040201.

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.

It is not a de Polignac number, because 102040041 - 211 = 102037993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102039999 and 102040026.

It is not an unprimeable number, because it can be changed into a prime (102040061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17006671 + ... + 17006676.

It is an arithmetic number, because the mean of its divisors is an integer number (34013348).

Almost surely, 2102040041 is an apocalyptic number.

It is an amenable number.

102040041 is a deficient number, since it is larger than the sum of its proper divisors (34013351).

102040041 is an equidigital number, since it uses as much as digits as its factorization.

102040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34013350.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102040041 is about 10101.4870687439. The cubic root of 102040041 is about 467.2940036327.

Adding to 102040041 its reverse (140040201), we get a palindrome (242080242).

The spelling of 102040041 in words is "one hundred two million, forty thousand, forty-one".

Divisors: 1 3 34013347 102040041