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1920290058 = 233251141677
BaseRepresentation
bin111001001110101…
…0100110100001010
311221211100211202000
41302131110310022
512413043240213
6514314251430
765405124201
oct16235246412
94854324660
101920290058
118a5a54385
12457126b76
13247ab900b
1414306a238
15b38b9c73
hex72754d0a

1920290058 has 32 divisors (see below), whose sum is σ = 4284342720. Its totient is φ = 637542000.

The previous prime is 1920290041. The next prime is 1920290083. The reversal of 1920290058 is 8500920291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57285 + ... + 84392.

It is an arithmetic number, because the mean of its divisors is an integer number (133885710).

Almost surely, 21920290058 is an apocalyptic number.

1920290058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1920290058 is an abundant number, since it is smaller than the sum of its proper divisors (2364052662).

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

1920290058 is a wasteful number, since it uses less digits than its factorization.

1920290058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141939 (or 141933 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1920290058 is about 43821.1142943673. The cubic root of 1920290058 is about 1242.9555879554.

The spelling of 1920290058 in words is "one billion, nine hundred twenty million, two hundred ninety thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 251 502 753 1506 2259 4518 6777 13554 141677 283354 425031 850062 1275093 2550186 3825279 7650558 35560927 71121854 106682781 213365562 320048343 640096686 960145029 1920290058