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490777748 = 224327110529
BaseRepresentation
bin11101010000001…
…010110010010100
31021012111002111122
4131100022302110
52001114341443
6120411023112
715106353626
oct3520126224
91235432448
10490777748
1123203864a
1211843aa98
137a8a6546
1449274c16
152d145968
hex1d40ac94

490777748 has 24 divisors (see below), whose sum is σ = 882161280. Its totient is φ = 238775040.

The previous prime is 490777741. The next prime is 490777787. The reversal of 490777748 is 847777094.

It is a self number, because there is not a number n which added to its sum of digits gives 490777748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490777741) 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, 41348 + ... + 51876.

It is an arithmetic number, because the mean of its divisors is an integer number (36756720).

Almost surely, 2490777748 is an apocalyptic number.

It is an amenable number.

490777748 is a deficient number, since it is larger than the sum of its proper divisors (391383532).

490777748 is a wasteful number, since it uses less digits than its factorization.

490777748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847 (or 10845 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 490777748 is about 22153.5041923394. The cubic root of 490777748 is about 788.7904086933.

The spelling of 490777748 in words is "four hundred ninety million, seven hundred seventy-seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 43 86 172 271 542 1084 10529 11653 21058 23306 42116 46612 452747 905494 1810988 2853359 5706718 11413436 122694437 245388874 490777748