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1829090844 = 2232753136949
BaseRepresentation
bin110110100000101…
…1011011000011100
311201110202102221100
41231001123120130
512221221401334
6501255433100
763220005240
oct15501333034
94643672840
101829090844
11859524029
12430685790
13231c37299
14134cca420
15aa8a2c99
hex6d05b61c

1829090844 has 72 divisors (see below), whose sum is σ = 5383778400. Its totient is φ = 512733312.

The previous prime is 1829090839. The next prime is 1829090881. The reversal of 1829090844 is 4480909281.

It is a self number, because there is not a number n which added to its sum of digits gives 1829090844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55119 + ... + 81830.

It is an arithmetic number, because the mean of its divisors is an integer number (74774700).

Almost surely, 21829090844 is an apocalyptic number.

1829090844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1829090844 is an abundant number, since it is smaller than the sum of its proper divisors (3554687556).

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

1829090844 is a wasteful number, since it uses less digits than its factorization.

1829090844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137019 (or 137014 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1829090844 is about 42767.8716328040. The cubic root of 1829090844 is about 1222.9586089713.

The spelling of 1829090844 in words is "one billion, eight hundred twenty-nine million, ninety thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 53 63 84 106 126 159 212 252 318 371 477 636 742 954 1113 1484 1908 2226 3339 4452 6678 13356 136949 273898 410847 547796 821694 958643 1232541 1643388 1917286 2465082 2875929 3834572 4930164 5751858 7258297 8627787 11503716 14516594 17255574 21774891 29033188 34511148 43549782 50808079 65324673 87099564 101616158 130649346 152424237 203232316 261298692 304848474 457272711 609696948 914545422 1829090844