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104457849 = 334819283
BaseRepresentation
bin1100011100111…
…10011001111001
321021120000020020
412032132121321
5203220122344
614210521053
72405606556
oct616363171
9237500206
10104457849
1153a66801
122ab96189
13188448a2
14dc31a2d
159285719
hex639e679

104457849 has 4 divisors (see below), whose sum is σ = 139277136. Its totient is φ = 69638564.

The previous prime is 104457841. The next prime is 104457853. The reversal of 104457849 is 948754401.

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 a cyclic number.

It is not a de Polignac number, because 104457849 - 23 = 104457841 is a prime.

It is a super-2 number, since 2×1044578492 = 21822884435413602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104457849.

It is not an unprimeable number, because it can be changed into a prime (104457841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17409639 + ... + 17409644.

It is an arithmetic number, because the mean of its divisors is an integer number (34819284).

Almost surely, 2104457849 is an apocalyptic number.

It is an amenable number.

104457849 is a deficient number, since it is larger than the sum of its proper divisors (34819287).

104457849 is an equidigital number, since it uses as much as digits as its factorization.

104457849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34819286.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 104457849 is about 10220.4622693888. The cubic root of 104457849 is about 470.9560274670.

The spelling of 104457849 in words is "one hundred four million, four hundred fifty-seven thousand, eight hundred forty-nine".

Divisors: 1 3 34819283 104457849