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290698106 = 2149975497
BaseRepresentation
bin10001010100111…
…011001101111010
3202020222222211112
4101110323031322
51043404314411
644502400322
710126615226
oct2124731572
9666888745
10290698106
1113a100876
12814300a2
13482c1c1a
142a871786
151a7c2b8b
hex1153b37a

290698106 has 8 divisors (see below), whose sum is σ = 438974100. Its totient is φ = 144373408.

The previous prime is 290698087. The next prime is 290698139. The reversal of 290698106 is 601896092.

It can be written as a sum of positive squares in 2 ways, for example, as 225750625 + 64947481 = 15025^2 + 8059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487451 + ... + 488046.

Almost surely, 2290698106 is an apocalyptic number.

290698106 is a deficient number, since it is larger than the sum of its proper divisors (148275994).

290698106 is a wasteful number, since it uses less digits than its factorization.

290698106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975648.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 290698106 is about 17049.8711432081. The cubic root of 290698106 is about 662.4412999373.

The spelling of 290698106 in words is "two hundred ninety million, six hundred ninety-eight thousand, one hundred six".

Divisors: 1 2 149 298 975497 1950994 145349053 290698106