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283020068 = 2270755017
BaseRepresentation
bin10000110111101…
…000101100100100
3201201112220112202
4100313220230210
51034423120233
644030034032
710004426252
oct2067505444
9651486482
10283020068
11135837191
127a948918
13468341c6
14298335d2
1519ca7be8
hex10de8b24

283020068 has 6 divisors (see below), whose sum is σ = 495285126. Its totient is φ = 141510032.

The previous prime is 283019999. The next prime is 283020103. The reversal of 283020068 is 860020382.

It can be written as a sum of positive squares in only one way, i.e., 245172964 + 37847104 = 15658^2 + 6152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 283020068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35377505 + ... + 35377512.

It is an arithmetic number, because the mean of its divisors is an integer number (82547521).

Almost surely, 2283020068 is an apocalyptic number.

It is an amenable number.

283020068 is a deficient number, since it is larger than the sum of its proper divisors (212265058).

283020068 is a wasteful number, since it uses less digits than its factorization.

283020068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70755021 (or 70755019 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 283020068 is about 16823.2002900756. The cubic root of 283020068 is about 656.5569611825.

The spelling of 283020068 in words is "two hundred eighty-three million, twenty thousand, sixty-eight".

Divisors: 1 2 4 70755017 141510034 283020068