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290325243 = 3137444237
BaseRepresentation
bin10001010011100…
…000001011111011
3202020022001100210
4101103200023323
51043310401433
644450402203
710123503165
oct2123401373
9666261323
10290325243
1113997671a
1281290363
13481c12b0
142a7b5935
151a74c463
hex114e02fb

290325243 has 8 divisors (see below), whose sum is σ = 416877328. Its totient is φ = 178661664.

The previous prime is 290325241. The next prime is 290325247. The reversal of 290325243 is 342523092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 290325243 - 21 = 290325241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290325243.

It is not an unprimeable number, because it can be changed into a prime (290325241) 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, 3722080 + ... + 3722157.

It is an arithmetic number, because the mean of its divisors is an integer number (52109666).

Almost surely, 2290325243 is an apocalyptic number.

290325243 is a deficient number, since it is larger than the sum of its proper divisors (126552085).

290325243 is a wasteful number, since it uses less digits than its factorization.

290325243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444253.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 290325243 is about 17038.9331532229. The cubic root of 290325243 is about 662.1579526833.

The spelling of 290325243 in words is "two hundred ninety million, three hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 3 13 39 7444237 22332711 96775081 290325243