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30566133 = 331387083
BaseRepresentation
bin111010010011…
…0011011110101
32010111220212000
41310212123311
530311104013
63011045513
7520544043
oct164463365
963456760
1030566133
1116287874
12a2a0899
136442890
1440b9393
152a3b973
hex1d266f5

30566133 has 16 divisors (see below), whose sum is σ = 48767040. Its totient is φ = 18809712.

The previous prime is 30566101. The next prime is 30566171. The reversal of 30566133 is 33166503.

It is not a de Polignac number, because 30566133 - 25 = 30566101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30566097 and 30566106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30566183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43191 + ... + 43892.

It is an arithmetic number, because the mean of its divisors is an integer number (3047940).

Almost surely, 230566133 is an apocalyptic number.

It is an amenable number.

30566133 is a deficient number, since it is larger than the sum of its proper divisors (18200907).

30566133 is a wasteful number, since it uses less digits than its factorization.

30566133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87105 (or 87099 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 30566133 is about 5528.6646669879. The cubic root of 30566133 is about 312.6656461541.

The spelling of 30566133 in words is "thirty million, five hundred sixty-six thousand, one hundred thirty-three".

Divisors: 1 3 9 13 27 39 117 351 87083 261249 783747 1132079 2351241 3396237 10188711 30566133