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2028446 = 27144889
BaseRepresentation
bin111101111001110011110
310211001111122
413233032132
51004402241
6111250542
723145560
oct7571636
93731448
102028446
111166002
12819a52
13560384
143ab330
152a104b
hex1ef39e

2028446 has 8 divisors (see below), whose sum is σ = 3477360. Its totient is φ = 869328.

The previous prime is 2028443. The next prime is 2028461. The reversal of 2028446 is 6448202.

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

It is a super-2 number, since 2×20284462 = 8229186349832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028443) 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, 72431 + ... + 72458.

It is an arithmetic number, because the mean of its divisors is an integer number (434670).

22028446 is an apocalyptic number.

2028446 is a deficient number, since it is larger than the sum of its proper divisors (1448914).

2028446 is a wasteful number, since it uses less digits than its factorization.

2028446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144898.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2028446 is about 1424.2352333797. The cubic root of 2028446 is about 126.5866237915.

The spelling of 2028446 in words is "two million, twenty-eight thousand, four hundred forty-six".

Divisors: 1 2 7 14 144889 289778 1014223 2028446