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5142186 = 2327371103
BaseRepresentation
bin10011100111011010101010
3100200020202100
4103213122222
52304022221
6302114230
761464540
oct23473252
910606670
105142186
1129a2445
12187b976
1310b071a
1497bd90
156b8926
hex4e76aa

5142186 has 48 divisors (see below), whose sum is σ = 13089024. Its totient is φ = 1428192.

The previous prime is 5142173. The next prime is 5142197. The reversal of 5142186 is 6812415.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4111 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (272688).

Almost surely, 25142186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6544512).

5142186 is an abundant number, since it is smaller than the sum of its proper divisors (7946838).

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

5142186 is a wasteful number, since it uses less digits than its factorization.

5142186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1152 counting only the distinct ones).

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

The square root of 5142186 is about 2267.6388601362. The cubic root of 5142186 is about 172.6033658997.

The spelling of 5142186 in words is "five million, one hundred forty-two thousand, one hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 37 42 63 74 111 126 222 259 333 518 666 777 1103 1554 2206 2331 3309 4662 6618 7721 9927 15442 19854 23163 40811 46326 69489 81622 122433 138978 244866 285677 367299 571354 734598 857031 1714062 2571093 5142186