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2920930243 = 71137934159
BaseRepresentation
bin1010111000011001…
…1101101111000011
321112120020122000121
42232012131233003
521440224231433
61201501401111
7132245332420
oct25606355703
97476218017
102920930243
111269875140
12696269197
133771bb6ba
141d9d02d47
15121675c2d
hexae19dbc3

2920930243 has 8 divisors (see below), whose sum is σ = 3641679360. Its totient is φ = 2276049480.

The previous prime is 2920930237. The next prime is 2920930253. The reversal of 2920930243 is 3420390292.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2920930243 - 29 = 2920929731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2920930199 and 2920930208.

It is not an unprimeable number, because it can be changed into a prime (2920930253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18967003 + ... + 18967156.

It is an arithmetic number, because the mean of its divisors is an integer number (455209920).

Almost surely, 22920930243 is an apocalyptic number.

2920930243 is a deficient number, since it is larger than the sum of its proper divisors (720749117).

2920930243 is a wasteful number, since it uses less digits than its factorization.

2920930243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37934177.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 2920930243 is about 54045.6311185280. The cubic root of 2920930243 is about 1429.4656655257.

The spelling of 2920930243 in words is "two billion, nine hundred twenty million, nine hundred thirty thousand, two hundred forty-three".

Divisors: 1 7 11 77 37934159 265539113 417275749 2920930243