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104121433 = 1373109717
BaseRepresentation
bin1100011010011…
…00010001011001
321020220220202101
412031030101121
5203123341213
614155403401
72403006013
oct615142131
9236826671
10104121433
1153856a79
122aa53561
1318757720
14db851b3
15921abdd
hex634c459

104121433 has 8 divisors (see below), whose sum is σ = 113667848. Its totient is φ = 94794624.

The previous prime is 104121431. The next prime is 104121439. The reversal of 104121433 is 334121401.

It can be written as a sum of positive squares in 4 ways, for example, as 7551504 + 96569929 = 2748^2 + 9827^2 .

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 104121433 - 21 = 104121431 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 104121433.

It is not an unprimeable number, because it can be changed into a prime (104121431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53910 + ... + 55807.

It is an arithmetic number, because the mean of its divisors is an integer number (14208481).

Almost surely, 2104121433 is an apocalyptic number.

104121433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104121433 is a deficient number, since it is larger than the sum of its proper divisors (9546415).

104121433 is a wasteful number, since it uses less digits than its factorization.

104121433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109803.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 104121433 is about 10203.9910329243. The cubic root of 104121433 is about 470.4498981638.

Adding to 104121433 its reverse (334121401), we get a palindrome (438242834).

The spelling of 104121433 in words is "one hundred four million, one hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 13 73 949 109717 1426321 8009341 104121433