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290006930 = 2556351511
BaseRepresentation
bin10001010010010…
…010011110010010
3202012200212201102
4101102102132102
51043220210210
644435504402
710121006153
oct2122223622
9665625642
10290006930
11139779554
1281158102
134810c445
142a73192a
151a6d7ea5
hex11492792

290006930 has 16 divisors (see below), whose sum is σ = 522949824. Its totient is φ = 115794480.

The previous prime is 290006909. The next prime is 290006933. The reversal of 290006930 is 39600092.

290006930 is a modest number, since divided by 6930 gives 290 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 290006893 and 290006902.

It is not an unprimeable number, because it can be changed into a prime (290006933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20126 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (32684364).

Almost surely, 2290006930 is an apocalyptic number.

290006930 is a deficient number, since it is larger than the sum of its proper divisors (232942894).

290006930 is a wasteful number, since it uses less digits than its factorization.

290006930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52081.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 290006930 is about 17029.5898365169. The cubic root of 290006930 is about 661.9158672209.

The spelling of 290006930 in words is "two hundred ninety million, six thousand, nine hundred thirty".

Divisors: 1 2 5 10 563 1126 2815 5630 51511 103022 257555 515110 29000693 58001386 145003465 290006930