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490653297 = 32223244471
BaseRepresentation
bin11101001111101…
…100011001110001
31021012020202210100
4131033230121301
52001101401142
6120404223013
715105325041
oct3517543161
91235222710
10490653297
11231a630a2
1211839aa69
137a8619c4
1449241721
152d11db4c
hex1d3ec671

490653297 has 12 divisors (see below), whose sum is σ = 711902464. Its totient is φ = 325634040.

The previous prime is 490653259. The next prime is 490653301. The reversal of 490653297 is 792356094.

It is a happy number.

It is not a de Polignac number, because 490653297 - 228 = 222217841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490653997) 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, 120229 + ... + 124242.

Almost surely, 2490653297 is an apocalyptic number.

It is an amenable number.

490653297 is a deficient number, since it is larger than the sum of its proper divisors (221249167).

490653297 is a wasteful number, since it uses less digits than its factorization.

490653297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244700 (or 244697 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 490653297 is about 22150.6951809644. The cubic root of 490653297 is about 788.7237294586.

The spelling of 490653297 in words is "four hundred ninety million, six hundred fifty-three thousand, two hundred ninety-seven".

Divisors: 1 3 9 223 669 2007 244471 733413 2200239 54517033 163551099 490653297