Search a number
-
+
287113364 = 22465715413
BaseRepresentation
bin10001000111010…
…000000010010100
3202000020212111022
4101013100002110
51042000111424
644253500312
710054265126
oct2107200224
9660225438
10287113364
1113808257a
12801a1698
1347638385
142a1bb216
151a31595e
hex111d0094

287113364 has 12 divisors (see below), whose sum is σ = 502588884. Its totient is φ = 143516544.

The previous prime is 287113331. The next prime is 287113381. The reversal of 287113364 is 463311782.

It can be written as a sum of positive squares in 2 ways, for example, as 140896900 + 146216464 = 11870^2 + 12092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10922 + ... + 26334.

It is an arithmetic number, because the mean of its divisors is an integer number (41882407).

Almost surely, 2287113364 is an apocalyptic number.

It is an amenable number.

287113364 is a deficient number, since it is larger than the sum of its proper divisors (215475520).

287113364 is a wasteful number, since it uses less digits than its factorization.

287113364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074 (or 20072 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 287113364 is about 16944.4198484339. The cubic root of 287113364 is about 659.7070662082.

The spelling of 287113364 in words is "two hundred eighty-seven million, one hundred thirteen thousand, three hundred sixty-four".

Divisors: 1 2 4 4657 9314 15413 18628 30826 61652 71778341 143556682 287113364