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290104727 = 11233147787
BaseRepresentation
bin10001010010101…
…010010110010111
3202012212211212112
4101102222112113
51043231322402
644441541235
710121564243
oct2122522627
9665784775
10290104727
11139835a80
12811a481b
1348144b03
142a759423
151a706e52
hex114aa597

290104727 has 32 divisors (see below), whose sum is σ = 348585984. Its totient is φ = 238629600.

The previous prime is 290104723. The next prime is 290104733. The reversal of 290104727 is 727401092.

It is not a de Polignac number, because 290104727 - 22 = 290104723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290104693 and 290104702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290104723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368228 + ... + 369014.

It is an arithmetic number, because the mean of its divisors is an integer number (10893312).

Almost surely, 2290104727 is an apocalyptic number.

290104727 is a deficient number, since it is larger than the sum of its proper divisors (58481257).

290104727 is a wasteful number, since it uses less digits than its factorization.

290104727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 290104727 is about 17032.4609789660. The cubic root of 290104727 is about 661.9902632717.

The spelling of 290104727 in words is "two hundred ninety million, one hundred four thousand, seven hundred twenty-seven".

Divisors: 1 11 23 31 47 253 341 517 713 787 1081 1457 7843 8657 11891 16027 18101 24397 33511 36989 199111 268367 368621 406879 561131 850747 1146659 6172441 9358217 12613249 26373157 290104727