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290058406 = 21129454637
BaseRepresentation
bin10001010010011…
…111000010100110
3202012210111022221
4101102133002212
51043223332111
644440542554
710121312221
oct2122370246
9665714287
10290058406
111398041a0
1281181a5a
13481299c1
142a7465b8
151a6e8371
hex1149f0a6

290058406 has 16 divisors (see below), whose sum is σ = 491009040. Its totient is φ = 127298080.

The previous prime is 290058401. The next prime is 290058407. The reversal of 290058406 is 604850092.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290058401) by changing a digit.

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, 226681 + ... + 227956.

It is an arithmetic number, because the mean of its divisors is an integer number (30688065).

Almost surely, 2290058406 is an apocalyptic number.

290058406 is a deficient number, since it is larger than the sum of its proper divisors (200950634).

290058406 is a wasteful number, since it uses less digits than its factorization.

290058406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454679.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 290058406 is about 17031.1011387990. The cubic root of 290058406 is about 661.9550280844.

Subtracting 290058406 from its reverse (604850092), we obtain a triangular number (314791686 = T25091).

The spelling of 290058406 in words is "two hundred ninety million, fifty-eight thousand, four hundred six".

Divisors: 1 2 11 22 29 58 319 638 454637 909274 5001007 10002014 13184473 26368946 145029203 290058406