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30033169 = 1736113
BaseRepresentation
bin111001010010…
…0010100010001
32002111211202121
41302210110101
530142030134
62551414241
7513164155
oct162442421
962454677
1030033169
1115a53401
12a084381
1362b710a
143dbb065
152983ab4
hex1ca4511

30033169 has 8 divisors (see below), whose sum is σ = 31915080. Its totient is φ = 28261888.

The previous prime is 30033151. The next prime is 30033229. The reversal of 30033169 is 96133003.

It can be written as a sum of positive squares in 4 ways, for example, as 6150400 + 23882769 = 2480^2 + 4887^2 .

It is not a de Polignac number, because 30033169 - 27 = 30033041 is a prime.

It is a super-2 number, since 2×300331692 = 1803982480365122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30033119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (3989385).

Almost surely, 230033169 is an apocalyptic number.

It is an amenable number.

30033169 is a deficient number, since it is larger than the sum of its proper divisors (1881911).

30033169 is an frugal number, since it uses more digits than its factorization.

30033169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 30033169 is about 5480.2526401618. The cubic root of 30033169 is about 310.8377237451.

The spelling of 30033169 in words is "thirty million, thirty-three thousand, one hundred sixty-nine".

Divisors: 1 17 289 4913 6113 103921 1766657 30033169