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23033011 = 17279699
BaseRepresentation
bin101011111011…
…1010010110011
31121100012100111
41113313102303
521344024021
62141402151
7366530431
oct127672263
947305314
1023033011
1112002051
127869357
134a05b01
1430b7d51
15204e8e1
hex15f74b3

23033011 has 6 divisors (see below), whose sum is σ = 24467900. Its totient is φ = 21677856.

The previous prime is 23032991. The next prime is 23033027. The reversal of 23033011 is 11033032.

It is not a de Polignac number, because 23033011 - 211 = 23030963 is a prime.

It is a super-2 number, since 2×230330112 = 1061039191452242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23032982 and 23033000.

It is not an unprimeable number, because it can be changed into a prime (23033411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39561 + ... + 40138.

Almost surely, 223033011 is an apocalyptic number.

23033011 is a deficient number, since it is larger than the sum of its proper divisors (1434889).

23033011 is an equidigital number, since it uses as much as digits as its factorization.

23033011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79733 (or 79716 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 23033011 is about 4799.2719239485. The cubic root of 23033011 is about 284.5226893114.

Adding to 23033011 its reverse (11033032), we get a palindrome (34066043).

The spelling of 23033011 in words is "twenty-three million, thirty-three thousand, eleven".

Divisors: 1 17 289 79699 1354883 23033011