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290468927 = 741495561
BaseRepresentation
bin10001010100000…
…011010000111111
3202020120100110102
4101110003100333
51043330001202
644453431315
710124642120
oct2124032077
9666510412
10290468927
11139a64671
128133b53b
1348241808
142a812047
151a779d02
hex1150343f

290468927 has 4 divisors (see below), whose sum is σ = 331964496. Its totient is φ = 248973360.

The previous prime is 290468917. The next prime is 290468929. The reversal of 290468927 is 729864092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290468927 - 28 = 290468671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290468929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20747774 + ... + 20747787.

It is an arithmetic number, because the mean of its divisors is an integer number (82991124).

Almost surely, 2290468927 is an apocalyptic number.

290468927 is a deficient number, since it is larger than the sum of its proper divisors (41495569).

290468927 is an equidigital number, since it uses as much as digits as its factorization.

290468927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41495568.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 290468927 is about 17043.1489754681. The cubic root of 290468927 is about 662.2671702069.

It can be divided in two parts, 29046 and 8927, that added together give a palindrome (37973).

The spelling of 290468927 in words is "two hundred ninety million, four hundred sixty-eight thousand, nine hundred twenty-seven".

Divisors: 1 7 41495561 290468927