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30133260 = 22325167407
BaseRepresentation
bin111001011110…
…0110000001100
32002200221001200
41302330300030
530203231020
62553505500
7514062033
oct162746014
962627050
1030133260
1116011623
12a112290
136320841
14400571a
1529a3590
hex1cbcc0c

30133260 has 36 divisors (see below), whose sum is σ = 91404768. Its totient is φ = 8035488.

The previous prime is 30133217. The next prime is 30133273. The reversal of 30133260 is 6233103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83524 + ... + 83883.

Almost surely, 230133260 is an apocalyptic number.

30133260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30133260 is an abundant number, since it is smaller than the sum of its proper divisors (61271508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30133260 is a wasteful number, since it uses less digits than its factorization.

30133260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167422 (or 167417 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30133260 is about 5489.3770138332. The cubic root of 30133260 is about 311.1826486097.

Adding to 30133260 its reverse (6233103), we get a palindrome (36366363).

The spelling of 30133260 in words is "thirty million, one hundred thirty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 167407 334814 502221 669628 837035 1004442 1506663 1674070 2008884 2511105 3013326 3348140 5022210 6026652 7533315 10044420 15066630 30133260