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290942298 = 23216163461
BaseRepresentation
bin10001010101110…
…110110101011010
3202021110101210200
4101111312311122
51043440123143
644511523030
710131653163
oct2125666532
9667411720
10290942298
1113a258289
1281529476
134837910a
142a8d676a
151a8201d3
hex11576d5a

290942298 has 12 divisors (see below), whose sum is σ = 630375018. Its totient is φ = 96980760.

The previous prime is 290942293. The next prime is 290942299. The reversal of 290942298 is 892249092.

It can be written as a sum of positive squares in only one way, i.e., 282139209 + 8803089 = 16797^2 + 2967^2 .

It is not an unprimeable number, because it can be changed into a prime (290942293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8081713 + ... + 8081748.

Almost surely, 2290942298 is an apocalyptic number.

290942298 is an abundant number, since it is smaller than the sum of its proper divisors (339432720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290942298 is a wasteful number, since it uses less digits than its factorization.

290942298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163469 (or 16163466 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 290942298 is about 17057.0307498111. The cubic root of 290942298 is about 662.6267358347.

The spelling of 290942298 in words is "two hundred ninety million, nine hundred forty-two thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 16163461 32326922 48490383 96980766 145471149 290942298