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286344030 = 23573493907
BaseRepresentation
bin10001000100010…
…100001101011110
3201221210210011110
4101010110031132
51041301002110
644225202450
710044612150
oct2104241536
9657723143
10286344030
111376a7565
127ba90426
134742914b
142a05aad0
151a212a20
hex1111435e

286344030 has 64 divisors (see below), whose sum is σ = 787852800. Its totient is φ = 65245824.

The previous prime is 286344013. The next prime is 286344049. The reversal of 286344030 is 30443682.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71337 + ... + 75243.

It is an arithmetic number, because the mean of its divisors is an integer number (12310200).

Almost surely, 2286344030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286344030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393926400).

286344030 is an abundant number, since it is smaller than the sum of its proper divisors (501508770).

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

286344030 is a wasteful number, since it uses less digits than its factorization.

286344030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 286344030 is about 16921.7029284880. The cubic root of 286344030 is about 659.1173002397.

The spelling of 286344030 in words is "two hundred eighty-six million, three hundred forty-four thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 349 698 1047 1745 2094 2443 3490 3907 4886 5235 7329 7814 10470 11721 12215 14658 19535 23442 24430 27349 36645 39070 54698 58605 73290 82047 117210 136745 164094 273490 410235 820470 1363543 2727086 4090629 6817715 8181258 9544801 13635430 19089602 20453145 28634403 40906290 47724005 57268806 95448010 143172015 286344030