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104163842 = 252081921
BaseRepresentation
bin1100011010101…
…10101000000010
321021000001221002
412031112220002
5203131220332
614200332002
72403243446
oct615265002
9237001832
10104163842
1153885922
122aa74002
1318770b13
14db96826
159228562
hex6356a02

104163842 has 4 divisors (see below), whose sum is σ = 156245766. Its totient is φ = 52081920.

The previous prime is 104163841. The next prime is 104163847. The reversal of 104163842 is 248361401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248361401 = 574143261.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 8300161 = 9791^2 + 2881^2 .

It is not an unprimeable number, because it can be changed into a prime (104163841) 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 as a sum of consecutive naturals, namely, 26040959 + ... + 26040962.

Almost surely, 2104163842 is an apocalyptic number.

104163842 is a deficient number, since it is larger than the sum of its proper divisors (52081924).

104163842 is an equidigital number, since it uses as much as digits as its factorization.

104163842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52081923.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 104163842 is about 10206.0688808179. The cubic root of 104163842 is about 470.5137614211.

The spelling of 104163842 in words is "one hundred four million, one hundred sixty-three thousand, eight hundred forty-two".

Divisors: 1 2 52081921 104163842