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33053429 = 97340757
BaseRepresentation
bin111111000010…
…1101011110101
32022012021210002
41332011223311
531430202204
63140241045
7550643453
oct176055365
968167702
1033053429
1117726592
12b0a0185
136b03a56
1445659d3
152d7d91e
hex1f85af5

33053429 has 4 divisors (see below), whose sum is σ = 33394284. Its totient is φ = 32712576.

The previous prime is 33053381. The next prime is 33053453. The reversal of 33053429 is 92435033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92435033 = 412254513.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 22800625 = 3202^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 33053429 - 224 = 16276213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053459) 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, 170282 + ... + 170475.

It is an arithmetic number, because the mean of its divisors is an integer number (8348571).

Almost surely, 233053429 is an apocalyptic number.

It is an amenable number.

33053429 is a deficient number, since it is larger than the sum of its proper divisors (340855).

33053429 is an equidigital number, since it uses as much as digits as its factorization.

33053429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340854.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 33053429 is about 5749.2111632814. The cubic root of 33053429 is about 320.9264460761.

The spelling of 33053429 in words is "thirty-three million, fifty-three thousand, four hundred twenty-nine".

Divisors: 1 97 340757 33053429