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2028798 = 232269419
BaseRepresentation
bin111101111010011111110
310211001222200
413233103332
51004410143
6111252330
723146602
oct7572376
93731880
102028798
1111662a2
1281a0a6
13560595
143ab502
152a11d3
hex1ef4fe

2028798 has 24 divisors (see below), whose sum is σ = 4422600. Its totient is φ = 672144.

The previous prime is 2028781. The next prime is 2028809. The reversal of 2028798 is 8978202.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4633 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (184275).

22028798 is an apocalyptic number.

2028798 is an abundant number, since it is smaller than the sum of its proper divisors (2393802).

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

2028798 is a wasteful number, since it uses less digits than its factorization.

2028798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2028798 is about 1424.3588031111. The cubic root of 2028798 is about 126.5939456386.

The spelling of 2028798 in words is "two million, twenty-eight thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 9 18 269 419 538 807 838 1257 1614 2421 2514 3771 4842 7542 112711 225422 338133 676266 1014399 2028798