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290733146 = 211101130843
BaseRepresentation
bin10001010101000…
…011110001011010
3202021001202220022
4101111003301122
51043411430041
644503230442
710130122334
oct2125036132
9667052808
10290733146
1113a125130
1281448422
1348304b62
142a880454
151a7cd24b
hex11543c5a

290733146 has 16 divisors (see below), whose sum is σ = 480459168. Its totient is φ = 130842000.

The previous prime is 290733119. The next prime is 290733181. The reversal of 290733146 is 641337092.

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 in 7 ways as a sum of consecutive naturals, for example, 63200 + ... + 67643.

It is an arithmetic number, because the mean of its divisors is an integer number (30028698).

Almost surely, 2290733146 is an apocalyptic number.

290733146 is a deficient number, since it is larger than the sum of its proper divisors (189726022).

290733146 is a wasteful number, since it uses less digits than its factorization.

290733146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130957.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 290733146 is about 17050.8986859931. The cubic root of 290733146 is about 662.4679151900.

The spelling of 290733146 in words is "two hundred ninety million, seven hundred thirty-three thousand, one hundred forty-six".

Divisors: 1 2 11 22 101 202 1111 2222 130843 261686 1439273 2878546 13215143 26430286 145366573 290733146