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286555045 = 5723355969
BaseRepresentation
bin10001000101000…
…111101110100101
3201222012111121211
4101011013232211
51041324230140
644233511421
710046451310
oct2105075645
9658174554
10286555045
11137831057
127bb72571
13474a11ca
142a0b3977
151a2552ea
hex11147ba5

286555045 has 16 divisors (see below), whose sum is σ = 410077440. Its totient is φ = 187951104.

The previous prime is 286555019. The next prime is 286555051. The reversal of 286555045 is 540555682.

It is a cyclic number.

It is not a de Polignac number, because 286555045 - 211 = 286552997 is a prime.

It is a super-2 number, since 2×2865550452 = 164227587629904050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 286554989 and 286555007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177180 + ... + 178789.

It is an arithmetic number, because the mean of its divisors is an integer number (25629840).

Almost surely, 2286555045 is an apocalyptic number.

It is an amenable number.

286555045 is a deficient number, since it is larger than the sum of its proper divisors (123522395).

286555045 is a wasteful number, since it uses less digits than its factorization.

286555045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356004.

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 286555045 is about 16927.9368205343. The cubic root of 286555045 is about 659.2791678670.

The spelling of 286555045 in words is "two hundred eighty-six million, five hundred fifty-five thousand, forty-five".

Divisors: 1 5 7 23 35 115 161 805 355969 1779845 2491783 8187287 12458915 40936435 57311009 286555045