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1920274092 = 22321129167213
BaseRepresentation
bin111001001110101…
…0000111010101100
311221211100000211200
41302131100322230
512413042232332
6514314045500
765405026512
oct16235207254
94854300750
101920274092
118a5a43390
12457119890
13247ab1979
141430644b2
15b38b517c
hex72750eac

1920274092 has 72 divisors (see below), whose sum is σ = 5477930640. Its totient is φ = 561832320.

The previous prime is 1920274087. The next prime is 1920274123. The reversal of 1920274092 is 2904720291.

1920274092 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 72123 + ... + 95090.

It is an arithmetic number, because the mean of its divisors is an integer number (76082370).

Almost surely, 21920274092 is an apocalyptic number.

1920274092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1920274092 is an abundant number, since it is smaller than the sum of its proper divisors (3557656548).

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

1920274092 is a wasteful number, since it uses less digits than its factorization.

1920274092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167263 (or 167258 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1920274092 is about 43820.9321215330. The cubic root of 1920274092 is about 1242.9521431488.

The spelling of 1920274092 in words is "one billion, nine hundred twenty million, two hundred seventy-four thousand, ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 29 33 36 44 58 66 87 99 116 132 174 198 261 319 348 396 522 638 957 1044 1276 1914 2871 3828 5742 11484 167213 334426 501639 668852 1003278 1504917 1839343 2006556 3009834 3678686 4849177 5518029 6019668 7357372 9698354 11036058 14547531 16554087 19396708 22072116 29095062 33108174 43642593 53340947 58190124 66216348 87285186 106681894 160022841 174570372 213363788 320045682 480068523 640091364 960137046 1920274092