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23047033 = 102122573
BaseRepresentation
bin101011111101…
…0101101111001
31121100220120211
41113322231321
521400001113
62141551121
7366616342
oct127725571
947326524
1023047033
1112011639
1278754a1
134a0c2c9
1430bd0c9
152053b3d
hex15fab79

23047033 has 4 divisors (see below), whose sum is σ = 23070628. Its totient is φ = 23023440.

The previous prime is 23047027. The next prime is 23047039. The reversal of 23047033 is 33074032.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23047027) and next prime (23047039).

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 16711744 = 2517^2 + 4088^2 .

It is a cyclic number.

It is not a de Polignac number, because 23047033 - 25 = 23047001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23046995 and 23047013.

It is not an unprimeable number, because it can be changed into a prime (23047039) 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, 10266 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (5767657).

Almost surely, 223047033 is an apocalyptic number.

It is an amenable number.

23047033 is a deficient number, since it is larger than the sum of its proper divisors (23595).

23047033 is a wasteful number, since it uses less digits than its factorization.

23047033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23594.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 23047033 is about 4800.7325482680. The cubic root of 23047033 is about 284.5804146899.

The spelling of 23047033 in words is "twenty-three million, forty-seven thousand, thirty-three".

Divisors: 1 1021 22573 23047033