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133030212 = 22375329881
BaseRepresentation
bin1111110110111…
…10000101000100
3100021022122010220
413323132011010
5233023431322
621111144340
73203511120
oct773360504
9307278126
10133030212
1169101627
12386750b0
1321739b03
141394c580
15ba2b55c
hex7ede144

133030212 has 48 divisors (see below), whose sum is σ = 361452672. Its totient is φ = 37290240.

The previous prime is 133030189. The next prime is 133030213. The reversal of 133030212 is 212030331.

It is a junction number, because it is equal to n+sod(n) for n = 133030191 and 133030200.

It is not an unprimeable number, because it can be changed into a prime (133030213) 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, 10489 + ... + 19392.

It is an arithmetic number, because the mean of its divisors is an integer number (7530264).

Almost surely, 2133030212 is an apocalyptic number.

133030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133030212 is an abundant number, since it is smaller than the sum of its proper divisors (228422460).

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

133030212 is a wasteful number, since it uses less digits than its factorization.

133030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29948 (or 29946 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133030212 is about 11533.8723766132. The cubic root of 133030212 is about 510.4855199529.

Adding to 133030212 its reverse (212030331), we get a palindrome (345060543).

The spelling of 133030212 in words is "one hundred thirty-three million, thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 53 84 106 159 212 318 371 636 742 1113 1484 2226 4452 29881 59762 89643 119524 179286 209167 358572 418334 627501 836668 1255002 1583693 2510004 3167386 4751079 6334772 9502158 11085851 19004316 22171702 33257553 44343404 66515106 133030212