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2072838 = 23345473
BaseRepresentation
bin111111010000100000110
310220022101210
413322010012
51012312323
6112232250
723422155
oct7720406
93808353
102072838
111196399
1283b686
13577641
143bd59c
152ae293
hex1fa106

2072838 has 8 divisors (see below), whose sum is σ = 4145688. Its totient is φ = 690944.

The previous prime is 2072831. The next prime is 2072839. The reversal of 2072838 is 8382702.

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

2072838 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072831) 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, 172731 + ... + 172742.

It is an arithmetic number, because the mean of its divisors is an integer number (518211).

22072838 is an apocalyptic number.

2072838 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.

2072838 is a wasteful number, since it uses less digits than its factorization.

2072838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345478.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2072838 is about 1439.7353923551. The cubic root of 2072838 is about 127.5034062912.

The spelling of 2072838 in words is "two million, seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 345473 690946 1036419 2072838