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290992101 = 3532776607
BaseRepresentation
bin10001010110000…
…010111111100101
3202021112221010020
4101112002333211
51043443221401
644512545353
710132251321
oct2126027745
9667487106
10290992101
1113a291744
1281552259
134839599a
142a90a981
151a82ed36
hex11582fe5

290992101 has 16 divisors (see below), whose sum is σ = 396797184. Its totient is φ = 189618624.

The previous prime is 290992033. The next prime is 290992103. The reversal of 290992101 is 101299092.

It is not a de Polignac number, because 290992101 - 219 = 290467813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290992103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40740 + ... + 47346.

It is an arithmetic number, because the mean of its divisors is an integer number (24799824).

Almost surely, 2290992101 is an apocalyptic number.

It is an amenable number.

290992101 is a deficient number, since it is larger than the sum of its proper divisors (105805083).

290992101 is a wasteful number, since it uses less digits than its factorization.

290992101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 290992101 is about 17058.4905838705. The cubic root of 290992101 is about 662.6645427775.

The spelling of 290992101 in words is "two hundred ninety million, nine hundred ninety-two thousand, one hundred one".

Divisors: 1 3 53 159 277 831 6607 14681 19821 44043 350171 1050513 1830139 5490417 96997367 290992101