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2993838 = 23498973
BaseRepresentation
bin1011011010111010101110
312122002202220
423122322232
51231300323
6144100210
734306251
oct13327256
95562686
102993838
111765351
121004666
1380a903
1457d098
153e20e3
hex2daeae

2993838 has 8 divisors (see below), whose sum is σ = 5987688. Its totient is φ = 997944.

The previous prime is 2993831. The next prime is 2993839. The reversal of 2993838 is 8383992.

It is a sphenic number, since it is the product of 3 distinct primes.

2993838 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2993838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993831) 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, 249481 + ... + 249492.

It is an arithmetic number, because the mean of its divisors is an integer number (748461).

22993838 is an apocalyptic number.

2993838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2993838 is a wasteful number, since it uses less digits than its factorization.

2993838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498978.

The product of its digits is 93312, while the sum is 42.

The square root of 2993838 is about 1730.2710770281. The cubic root of 2993838 is about 144.1261433248.

The spelling of 2993838 in words is "two million, nine hundred ninety-three thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 498973 997946 1496919 2993838