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2023008217 = 2387956879
BaseRepresentation
bin111100010010100…
…1010011111011001
312012222122110120021
41320211022133121
513120342230332
6532424030441
7101063200066
oct17045123731
95188573507
102023008217
11948a3201a
12485602421
13263171aa9
14152967c6d
15bc909c97
hex7894a7d9

2023008217 has 4 divisors (see below), whose sum is σ = 2110965120. Its totient is φ = 1935051316.

The previous prime is 2023008191. The next prime is 2023008257. The reversal of 2023008217 is 7128003202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023008217 - 27 = 2023008089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023008191 and 2023008200.

It is not an unprimeable number, because it can be changed into a prime (2023008257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43978417 + ... + 43978462.

It is an arithmetic number, because the mean of its divisors is an integer number (527741280).

Almost surely, 22023008217 is an apocalyptic number.

It is an amenable number.

2023008217 is a deficient number, since it is larger than the sum of its proper divisors (87956903).

2023008217 is an equidigital number, since it uses as much as digits as its factorization.

2023008217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87956902.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2023008217 is about 44977.8636331251. The cubic root of 2023008217 is about 1264.7340631531.

The spelling of 2023008217 in words is "two billion, twenty-three million, eight thousand, two hundred seventeen".

Divisors: 1 23 87956879 2023008217