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20118324 = 22343127307
BaseRepresentation
bin100110010111…
…1101100110100
31101212010011010
41030233230310
520122241244
61555112220
7333001002
oct114575464
941763133
1020118324
11103a1216
1268a2670
134225245
142959a72
151b75eb9
hex132fb34

20118324 has 48 divisors (see below), whose sum is σ = 48570368. Its totient is φ = 6477408.

The previous prime is 20118311. The next prime is 20118341. The reversal of 20118324 is 42381102.

It is a self number, because there is not a number n which added to its sum of digits gives 20118324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65379 + ... + 65685.

Almost surely, 220118324 is an apocalyptic number.

It is an amenable number.

20118324 is an abundant number, since it is smaller than the sum of its proper divisors (28452044).

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

20118324 is a wasteful number, since it uses less digits than its factorization.

20118324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20118324 is about 4485.3454716443. The cubic root of 20118324 is about 271.9760107159.

Adding to 20118324 its reverse (42381102), we get a palindrome (62499426).

The spelling of 20118324 in words is "twenty million, one hundred eighteen thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 43 86 127 129 172 254 258 307 381 508 516 614 762 921 1228 1524 1842 3684 5461 10922 13201 16383 21844 26402 32766 38989 39603 52804 65532 77978 79206 116967 155956 158412 233934 467868 1676527 3353054 5029581 6706108 10059162 20118324