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290799253 is a prime number
BaseRepresentation
bin10001010101010…
…011111010010101
3202021012010120201
4101111103322111
51043421034003
644504500501
710130516143
oct2125237225
9667163521
10290799253
1113a16a868
128147a731
1348328c84
142a89a593
151a7e2b1d
hex11553e95

290799253 has 2 divisors, whose sum is σ = 290799254. Its totient is φ = 290799252.

The previous prime is 290799241. The next prime is 290799319. The reversal of 290799253 is 352997092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231709284 + 59089969 = 15222^2 + 7687^2 .

It is a cyclic number.

It is not a de Polignac number, because 290799253 - 25 = 290799221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290799203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145399626 + 145399627.

It is an arithmetic number, because the mean of its divisors is an integer number (145399627).

Almost surely, 2290799253 is an apocalyptic number.

It is an amenable number.

290799253 is a deficient number, since it is larger than the sum of its proper divisors (1).

290799253 is an equidigital number, since it uses as much as digits as its factorization.

290799253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 290799253 is about 17052.8370953340. The cubic root of 290799253 is about 662.5181221102.

The spelling of 290799253 in words is "two hundred ninety million, seven hundred ninety-nine thousand, two hundred fifty-three".