Search a number
-
+
104923939 = 337311347
BaseRepresentation
bin1100100000100…
…00001100100011
321022102200120211
412100100030203
5203330031224
614224514551
72412560461
oct620201443
9238380524
10104923939
11542549aa
122b17ba57
1318978a93
14dd13831
159328894
hex6410323

104923939 has 4 divisors (see below), whose sum is σ = 105235624. Its totient is φ = 104612256.

The previous prime is 104923927. The next prime is 104923957. The reversal of 104923939 is 939329401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939329401 = 2932390669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104923939 is a prime.

It is a super-3 number, since 3×1049239393 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104923919) 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, 155337 + ... + 156010.

It is an arithmetic number, because the mean of its divisors is an integer number (26308906).

Almost surely, 2104923939 is an apocalyptic number.

104923939 is a deficient number, since it is larger than the sum of its proper divisors (311685).

104923939 is an equidigital number, since it uses as much as digits as its factorization.

104923939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311684.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 104923939 is about 10243.2386968185. The cubic root of 104923939 is about 471.6554554279.

The spelling of 104923939 in words is "one hundred four million, nine hundred twenty-three thousand, nine hundred thirty-nine".

Divisors: 1 337 311347 104923939