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290379753 = 3241786937
BaseRepresentation
bin10001010011101…
…101011111101001
3202020101211010200
4101103231133221
51043314123003
644451502413
710124121126
oct2123553751
9666354120
10290379753
11139a03674
12812b7a09
1348210051
142a7cb74d
151a75d6a3
hex114ed7e9

290379753 has 12 divisors (see below), whose sum is σ = 429668148. Its totient is φ = 188864640.

The previous prime is 290379743. The next prime is 290379781. The reversal of 290379753 is 357973092.

It can be written as a sum of positive squares in 2 ways, for example, as 68608089 + 221771664 = 8283^2 + 14892^2 .

It is not a de Polignac number, because 290379753 - 25 = 290379721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 290379699 and 290379708.

It is not an unprimeable number, because it can be changed into a prime (290379743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393100 + ... + 393837.

It is an arithmetic number, because the mean of its divisors is an integer number (35805679).

Almost surely, 2290379753 is an apocalyptic number.

It is an amenable number.

290379753 is a deficient number, since it is larger than the sum of its proper divisors (139288395).

290379753 is a wasteful number, since it uses less digits than its factorization.

290379753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786984 (or 786981 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The square root of 290379753 is about 17040.5326501257. The cubic root of 290379753 is about 662.1993912333.

The spelling of 290379753 in words is "two hundred ninety million, three hundred seventy-nine thousand, seven hundred fifty-three".

Divisors: 1 3 9 41 123 369 786937 2360811 7082433 32264417 96793251 290379753