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53082018 = 23211268091
BaseRepresentation
bin1100101001111…
…1011110100010
310200212211211200
43022133132202
5102042111033
65133422030
71213122033
oct312373642
9120784750
1053082018
1127a66340
121593a916
13acc71a2
14709aa8a
1549d8013
hex329f7a2

53082018 has 24 divisors (see below), whose sum is σ = 125467056. Its totient is φ = 16085400.

The previous prime is 53081993. The next prime is 53082031. The reversal of 53082018 is 81028035.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53081982 and 53082000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133848 + ... + 134243.

It is an arithmetic number, because the mean of its divisors is an integer number (5227794).

Almost surely, 253082018 is an apocalyptic number.

53082018 is an abundant number, since it is smaller than the sum of its proper divisors (72385038).

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

53082018 is a wasteful number, since it uses less digits than its factorization.

53082018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268110 (or 268107 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 53082018 is about 7285.7407310444. The cubic root of 53082018 is about 375.8222384793.

The spelling of 53082018 in words is "fifty-three million, eighty-two thousand, eighteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 268091 536182 804273 1608546 2412819 2949001 4825638 5898002 8847003 17694006 26541009 53082018