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290414844 = 22328067079
BaseRepresentation
bin10001010011110…
…110000011111100
3202020110121021100
4101103312003330
51043321233334
644452333100
710124325336
oct2123660374
9666417240
10290414844
11139a27a75
1281314190
1348223005
142a7da456
151a768c99
hex114f60fc

290414844 has 18 divisors (see below), whose sum is σ = 734104280. Its totient is φ = 96804936.

The previous prime is 290414843. The next prime is 290414863. The reversal of 290414844 is 448414092.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8067079 = 290414844 / (2 + 9 + 0 + 4 + 1 + 4 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 290414799 and 290414808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290414843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033504 + ... + 4033575.

Almost surely, 2290414844 is an apocalyptic number.

It is an amenable number.

290414844 is an abundant number, since it is smaller than the sum of its proper divisors (443689436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290414844 is a wasteful number, since it uses less digits than its factorization.

290414844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067089 (or 8067084 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 290414844 is about 17041.5622523289. The cubic root of 290414844 is about 662.2260646987.

The spelling of 290414844 in words is "two hundred ninety million, four hundred fourteen thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 8067079 16134158 24201237 32268316 48402474 72603711 96804948 145207422 290414844