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5018286 = 2372132101
BaseRepresentation
bin10011001001001010101110
3100102221210110
4103021022232
52241041121
6255320450
760440400
oct23111256
910387713
105018286
112918349
121820126
131069200
14948b70
15691d76
hex4c92ae

5018286 has 72 divisors (see below), whose sum is σ = 12767544. Its totient is φ = 1310400.

The previous prime is 5018269. The next prime is 5018297. The reversal of 5018286 is 6828105.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49636 + ... + 49736.

It is an arithmetic number, because the mean of its divisors is an integer number (177327).

Almost surely, 25018286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5018286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6383772).

5018286 is an abundant number, since it is smaller than the sum of its proper divisors (7749258).

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

5018286 is a wasteful number, since it uses less digits than its factorization.

5018286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 5018286 is about 2240.1531197666. The cubic root of 5018286 is about 171.2057985269.

It can be divided in two parts, 50 and 18286, that added together give a triangular number (18336 = T191).

The spelling of 5018286 in words is "five million, eighteen thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 101 147 169 182 202 273 294 303 338 507 546 606 637 707 1014 1183 1274 1313 1414 1911 2121 2366 2626 3549 3822 3939 4242 4949 7098 7878 8281 9191 9898 14847 16562 17069 18382 24843 27573 29694 34138 49686 51207 55146 64337 102414 119483 128674 193011 238966 358449 386022 716898 836381 1672762 2509143 5018286