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2028838 = 27144917
BaseRepresentation
bin111101111010100100110
310211002001011
413233110212
51004410323
6111252434
723146660
oct7572446
93732034
102028838
111166329
1281a11a
135605c6
143ab530
152a120d
hex1ef526

2028838 has 8 divisors (see below), whose sum is σ = 3478032. Its totient is φ = 869496.

The previous prime is 2028809. The next prime is 2028841. The reversal of 2028838 is 8388202.

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

It is a congruent number.

It is an unprimeable number.

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, 72445 + ... + 72472.

It is an arithmetic number, because the mean of its divisors is an integer number (434754).

22028838 is an apocalyptic number.

2028838 is a deficient number, since it is larger than the sum of its proper divisors (1449194).

2028838 is a wasteful number, since it uses less digits than its factorization.

2028838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144926.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2028838 is about 1424.3728444477. The cubic root of 2028838 is about 126.5947776131.

The spelling of 2028838 in words is "two million, twenty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 7 14 144917 289834 1014419 2028838