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104108953 = 138008381
BaseRepresentation
bin1100011010010…
…01001110011001
321020220021122011
412031021032121
5203122441303
614155225521
72402624434
oct615111631
9236807564
10104108953
1153848663
122aa482a1
1318751b40
14db8081b
15921716d
hex6349399

104108953 has 4 divisors (see below), whose sum is σ = 112117348. Its totient is φ = 96100560.

The previous prime is 104108951. The next prime is 104108959. The reversal of 104108953 is 359801401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359801401 = 3019119179.

It can be written as a sum of positive squares in 2 ways, for example, as 14768649 + 89340304 = 3843^2 + 9452^2 .

It is a cyclic number.

It is not a de Polignac number, because 104108953 - 21 = 104108951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104108951) 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, 4004178 + ... + 4004203.

It is an arithmetic number, because the mean of its divisors is an integer number (28029337).

Almost surely, 2104108953 is an apocalyptic number.

104108953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104108953 is a deficient number, since it is larger than the sum of its proper divisors (8008395).

104108953 is an equidigital number, since it uses as much as digits as its factorization.

104108953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008394.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 104108953 is about 10203.3794891693. The cubic root of 104108953 is about 470.4311013636.

The spelling of 104108953 in words is "one hundred four million, one hundred eight thousand, nine hundred fifty-three".

Divisors: 1 13 8008381 104108953