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30170133 = 327237432
BaseRepresentation
bin111001100010…
…1110000010101
32002202210122100
41303011300111
530210421013
62554352313
7514304400
oct163056025
962683570
1030170133
11160372a4
12a12b699
136334566
144014d37
1529ae473
hex1cc5c15

30170133 has 54 divisors (see below), whose sum is σ = 53303094. Its totient is φ = 16384032.

The previous prime is 30170117. The next prime is 30170149. The reversal of 30170133 is 33107103.

It is an interprime number because it is at equal distance from previous prime (30170117) and next prime (30170149).

It can be written as a sum of positive squares in only one way, i.e., 29354724 + 815409 = 5418^2 + 903^2 .

It is not a de Polignac number, because 30170133 - 24 = 30170117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30170183) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 701610 + ... + 701652.

Almost surely, 230170133 is an apocalyptic number.

It is an amenable number.

30170133 is a deficient number, since it is larger than the sum of its proper divisors (23132961).

30170133 is a wasteful number, since it uses less digits than its factorization.

30170133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30170133 is about 5492.7345648593. The cubic root of 30170133 is about 311.3095245908.

Adding to 30170133 its reverse (33107103), we get a palindrome (63277236).

It can be divided in two parts, 30170 and 133, that added together give a palindrome (30303).

The spelling of 30170133 in words is "thirty million, one hundred seventy thousand, one hundred thirty-three".

Divisors: 1 3 7 9 21 37 43 49 63 111 129 147 259 301 333 387 441 777 903 1591 1813 1849 2107 2331 2709 4773 5439 5547 6321 11137 12943 14319 16317 16641 18963 33411 38829 68413 77959 90601 100233 116487 205239 233877 271803 478891 615717 701631 815409 1436673 3352237 4310019 10056711 30170133