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2089045428 = 2231280913591
BaseRepresentation
bin111110010000100…
…0100110110110100
312101120220111120220
41330201010312310
513234243423203
6543143254340
7102524410311
oct17441046664
95346814526
102089045428
11982236828
124a374a3b0
13273a53972
1415b637d08
15c3601653
hex7c844db4

2089045428 has 24 divisors (see below), whose sum is σ = 4875178560. Its totient is φ = 696242880.

The previous prime is 2089045417. The next prime is 2089045451. The reversal of 2089045428 is 8245409802.

It is a super-2 number, since 2×20890454282 = 8728221600495406368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2089045428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146913 + ... + 160503.

It is an arithmetic number, because the mean of its divisors is an integer number (203132440).

Almost surely, 22089045428 is an apocalyptic number.

It is an amenable number.

2089045428 is an abundant number, since it is smaller than the sum of its proper divisors (2786133132).

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

2089045428 is a wasteful number, since it uses less digits than its factorization.

2089045428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407 (or 26405 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2089045428 is about 45706.0764887996. The cubic root of 2089045428 is about 1278.3485840154.

The spelling of 2089045428 in words is "two billion, eighty-nine million, forty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 12809 13591 25618 27182 38427 40773 51236 54364 76854 81546 153708 163092 174087119 348174238 522261357 696348476 1044522714 2089045428