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20184252 = 22311213901
BaseRepresentation
bin100110011111…
…1110010111100
31101222110120220
41030333302330
520131344002
62000341340
7333364134
oct114776274
941873526
1020184252
1110436800
126914850
13424925a
142975ac4
151b8a7bc
hex133fcbc

20184252 has 36 divisors (see below), whose sum is σ = 51771048. Its totient is φ = 6116000.

The previous prime is 20184247. The next prime is 20184257. The reversal of 20184252 is 25248102.

It is an interprime number because it is at equal distance from previous prime (20184247) and next prime (20184257).

It is a super-3 number, since 3×201842523 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20184257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5499 + ... + 8402.

Almost surely, 220184252 is an apocalyptic number.

20184252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20184252 is an abundant number, since it is smaller than the sum of its proper divisors (31586796).

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

20184252 is a wasteful number, since it uses less digits than its factorization.

20184252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930 (or 13917 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 20184252 is about 4492.6887272545. The cubic root of 20184252 is about 272.2727763824.

The spelling of 20184252 in words is "twenty million, one hundred eighty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 13901 27802 41703 55604 83406 152911 166812 305822 458733 611644 917466 1682021 1834932 3364042 5046063 6728084 10092126 20184252