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33056425 = 521322257
BaseRepresentation
bin111111000011…
…0011010101001
32022012102220001
41332012122221
531430301200
63140303001
7550655263
oct176063251
968172801
1033056425
1117728866
12b0a1a61
136b0521c
144566b33
152d7e76a
hex1f866a9

33056425 has 6 divisors (see below), whose sum is σ = 40989998. Its totient is φ = 26445120.

The previous prime is 33056417. The next prime is 33056431. The reversal of 33056425 is 52465033.

It can be written as a sum of positive squares in 3 ways, for example, as 97344 + 32959081 = 312^2 + 5741^2 .

It is not a de Polignac number, because 33056425 - 23 = 33056417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33056393 and 33056402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 661104 + ... + 661153.

Almost surely, 233056425 is an apocalyptic number.

It is an amenable number.

33056425 is a deficient number, since it is larger than the sum of its proper divisors (7933573).

33056425 is a wasteful number, since it uses less digits than its factorization.

33056425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322267 (or 1322262 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 33056425 is about 5749.4717148622. The cubic root of 33056425 is about 320.9361421613.

It can be divided in two parts, 3305 and 6425, that added together give a triangular number (9730 = T139).

The spelling of 33056425 in words is "thirty-three million, fifty-six thousand, four hundred twenty-five".

Divisors: 1 5 25 1322257 6611285 33056425