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285465545 = 5374732831
BaseRepresentation
bin10001000000111…
…101101111001001
3201220011011002222
4101000331233021
51041034344140
644154303425
710034263031
oct2100755711
9656134088
10285465545
11137157542
127b727b75
13471ac331
1429cac8c1
151a0dc5b5
hex1103dbc9

285465545 has 16 divisors (see below), whose sum is σ = 359313408. Its totient is φ = 217465920.

The previous prime is 285465529. The next prime is 285465553. The reversal of 285465545 is 545564582.

It is a happy number.

It is not a de Polignac number, because 285465545 - 24 = 285465529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285465496 and 285465505.

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, 7721 + ... + 25110.

It is an arithmetic number, because the mean of its divisors is an integer number (22457088).

Almost surely, 2285465545 is an apocalyptic number.

It is an amenable number.

285465545 is a deficient number, since it is larger than the sum of its proper divisors (73847863).

285465545 is a wasteful number, since it uses less digits than its factorization.

285465545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32920.

The product of its digits is 960000, while the sum is 44.

The square root of 285465545 is about 16895.7256428956. The cubic root of 285465545 is about 658.4425666455.

The spelling of 285465545 in words is "two hundred eighty-five million, four hundred sixty-five thousand, five hundred forty-five".

Divisors: 1 5 37 47 185 235 1739 8695 32831 164155 1214747 1543057 6073735 7715285 57093109 285465545