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30133200 = 2435225111
BaseRepresentation
bin111001011110…
…0101111010000
32002200220222110
41302330233100
530203230300
62553505320
7514061616
oct162745720
962626873
1030133200
1116011579
12a112240
1363207c6
1440056b6
1529a3550
hex1cbcbd0

30133200 has 60 divisors (see below), whose sum is σ = 96530528. Its totient is φ = 8035200.

The previous prime is 30133199. The next prime is 30133217. The reversal of 30133200 is 233103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 11356 + ... + 13755.

Almost surely, 230133200 is an apocalyptic number.

30133200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30133200 is an abundant number, since it is smaller than the sum of its proper divisors (66397328).

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

30133200 is a wasteful number, since it uses less digits than its factorization.

30133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25132 (or 25121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30133200 is about 5489.3715487294. The cubic root of 30133200 is about 311.1824420719.

Adding to 30133200 its reverse (233103), we get a palindrome (30366303).

The spelling of 30133200 in words is "thirty million, one hundred thirty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 25111 50222 75333 100444 125555 150666 200888 251110 301332 376665 401776 502220 602664 627775 753330 1004440 1205328 1255550 1506660 1883325 2008880 2511100 3013320 3766650 5022200 6026640 7533300 10044400 15066600 30133200