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490054451 is a prime number
BaseRepresentation
bin11101001101011…
…010001100110011
31021011010100022212
4131031122030303
52000423220301
6120343322335
715100252115
oct3515321463
91234110285
10490054451
11231694187
121181503ab
137a6b2263
14491273b5
152d0514bb
hex1d35a333

490054451 has 2 divisors, whose sum is σ = 490054452. Its totient is φ = 490054450.

The previous prime is 490054373. The next prime is 490054457. The reversal of 490054451 is 154450094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490054451 - 218 = 489792307 is a prime.

It is a super-2 number, since 2×4900544512 = 480306729889822802, which contains 22 as substring.

It is a Chen prime.

It is equal to p25859120 and since 490054451 and 25859120 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (490054457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245027225 + 245027226.

It is an arithmetic number, because the mean of its divisors is an integer number (245027226).

Almost surely, 2490054451 is an apocalyptic number.

490054451 is a deficient number, since it is larger than the sum of its proper divisors (1).

490054451 is an equidigital number, since it uses as much as digits as its factorization.

490054451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 490054451 is about 22137.1735097324. The cubic root of 490054451 is about 788.4027177638.

The spelling of 490054451 in words is "four hundred ninety million, fifty-four thousand, four hundred fifty-one".