Search a number
-
+
286380148 = 223713114771
BaseRepresentation
bin10001000100011…
…101000001110100
3201221212121201011
4101010131001310
51041303131043
644230042004
710045122355
oct2104350164
9657777634
10286380148
1113772170a
127baa9304
134743c712
142a069d2c
151a21d59d
hex1111d074

286380148 has 24 divisors (see below), whose sum is σ = 518674464. Its totient is φ = 138247200.

The previous prime is 286380109. The next prime is 286380163. The reversal of 286380148 is 841083682.

It is a self number, because there is not a number n which added to its sum of digits gives 286380148.

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 7 ways as a sum of consecutive naturals, for example, 12003 + ... + 26773.

It is an arithmetic number, because the mean of its divisors is an integer number (21611436).

Almost surely, 2286380148 is an apocalyptic number.

It is an amenable number.

286380148 is a deficient number, since it is larger than the sum of its proper divisors (232294316).

286380148 is a wasteful number, since it uses less digits than its factorization.

286380148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943 (or 14941 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 286380148 is about 16922.7701042117. The cubic root of 286380148 is about 659.1450116582.

The spelling of 286380148 in words is "two hundred eighty-six million, three hundred eighty thousand, one hundred forty-eight".

Divisors: 1 2 4 37 74 131 148 262 524 4847 9694 14771 19388 29542 59084 546527 1093054 1935001 2186108 3870002 7740004 71595037 143190074 286380148