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30170066 = 2236171063
BaseRepresentation
bin111001100010…
…1101111010010
32002202210112212
41303011233102
530210420231
62554352122
7514304243
oct163055722
962683485
1030170066
1116037243
12a12b642
136334514
144014cca
1529ae42b
hex1cc5bd2

30170066 has 16 divisors (see below), whose sum is σ = 47343744. Its totient is φ = 14392224.

The previous prime is 30170057. The next prime is 30170071. The reversal of 30170066 is 66007103.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27851 + ... + 28913.

It is an arithmetic number, because the mean of its divisors is an integer number (2958984).

Almost surely, 230170066 is an apocalyptic number.

30170066 is a deficient number, since it is larger than the sum of its proper divisors (17173678).

30170066 is a wasteful number, since it uses less digits than its factorization.

30170066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30170066 is about 5492.7284658902. The cubic root of 30170066 is about 311.3092941449.

Adding to 30170066 its reverse (66007103), we get a palindrome (96177169).

The spelling of 30170066 in words is "thirty million, one hundred seventy thousand, sixty-six".

Divisors: 1 2 23 46 617 1063 1234 2126 14191 24449 28382 48898 655871 1311742 15085033 30170066