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20294033 = 191068107
BaseRepresentation
bin100110101101…
…0100110010001
31102012001011212
41031122212101
520143402113
62002545505
7334332164
oct115324621
942161155
1020294033
1110501231
126968295
134287206
1429a3adb
151bad0a8
hex135a991

20294033 has 4 divisors (see below), whose sum is σ = 21362160. Its totient is φ = 19225908.

The previous prime is 20294003. The next prime is 20294041. The reversal of 20294033 is 33049202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33049202 = 216524601.

It is a cyclic number.

It is not a de Polignac number, because 20294033 - 222 = 16099729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20294003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534035 + ... + 534072.

It is an arithmetic number, because the mean of its divisors is an integer number (5340540).

Almost surely, 220294033 is an apocalyptic number.

It is an amenable number.

20294033 is a deficient number, since it is larger than the sum of its proper divisors (1068127).

20294033 is a wasteful number, since it uses less digits than its factorization.

20294033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068126.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20294033 is about 4504.8898987656. The cubic root of 20294033 is about 272.7655095311.

The spelling of 20294033 in words is "twenty million, two hundred ninety-four thousand, thirty-three".

Divisors: 1 19 1068107 20294033