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42655333 = 72870517
BaseRepresentation
bin1010001010110…
…1111001100101
32222021010010011
42202231321211
541404432313
64122130221
71025364400
oct242557145
988233104
1042655333
1122094646
1212350971
138ab6356
145944d37
153b2893d
hex28ade65

42655333 has 6 divisors (see below), whose sum is σ = 49619526. Its totient is φ = 36561672.

The previous prime is 42655331. The next prime is 42655369. The reversal of 42655333 is 33355624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29354724 + 13300609 = 5418^2 + 3647^2 .

It is not a de Polignac number, because 42655333 - 21 = 42655331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42655295 and 42655304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655331) 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, 435210 + ... + 435307.

It is an arithmetic number, because the mean of its divisors is an integer number (8269921).

Almost surely, 242655333 is an apocalyptic number.

It is an amenable number.

42655333 is a deficient number, since it is larger than the sum of its proper divisors (6964193).

42655333 is an equidigital number, since it uses as much as digits as its factorization.

42655333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870531 (or 870524 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 42655333 is about 6531.1050366688. The cubic root of 42655333 is about 349.4012429364.

The spelling of 42655333 in words is "forty-two million, six hundred fifty-five thousand, three hundred thirty-three".

Divisors: 1 7 49 870517 6093619 42655333