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20133675 = 3252432081
BaseRepresentation
bin100110011001…
…1011100101011
31101212220012200
41030303130223
520123234200
61555311243
7333063522
oct114633453
941786180
1020133675
1110401801
1268ab523
13422c223
1429614b9
151b7a800
hex133372b

20133675 has 36 divisors (see below), whose sum is σ = 36918024. Its totient is φ = 10483200.

The previous prime is 20133649. The next prime is 20133677. The reversal of 20133675 is 57633102.

It is a happy number.

It is not a de Polignac number, because 20133675 - 212 = 20129579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20133677) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8635 + ... + 10715.

Almost surely, 220133675 is an apocalyptic number.

20133675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20133675 is a deficient number, since it is larger than the sum of its proper divisors (16784349).

20133675 is a wasteful number, since it uses less digits than its factorization.

20133675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 20133675 is about 4487.0563847583. The cubic root of 20133675 is about 272.0451689333.

Adding to 20133675 its reverse (57633102), we get a palindrome (77766777).

The spelling of 20133675 in words is "twenty million, one hundred thirty-three thousand, six hundred seventy-five".

Divisors: 1 3 5 9 15 25 43 45 75 129 215 225 387 645 1075 1935 2081 3225 6243 9675 10405 18729 31215 52025 89483 93645 156075 268449 447415 468225 805347 1342245 2237075 4026735 6711225 20133675