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490658793 = 319233112073
BaseRepresentation
bin11101001111101…
…101101111101001
31021012021001022220
4131033231233221
52001102040133
6120404304253
715105350052
oct3517555751
91235231286
10490658793
11231a67239
121183a2089
137a864361
1449243729
152d1205b3
hex1d3edbe9

490658793 has 32 divisors (see below), whose sum is σ = 741826560. Its totient is φ = 286830720.

The previous prime is 490658783. The next prime is 490658837. The reversal of 490658793 is 397856094.

It is not a de Polignac number, because 490658793 - 221 = 488561641 is a prime.

It is a super-2 number, since 2×4906587932 = 481492102296433698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490658783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34605 + ... + 46677.

It is an arithmetic number, because the mean of its divisors is an integer number (23182080).

Almost surely, 2490658793 is an apocalyptic number.

It is an amenable number.

490658793 is a deficient number, since it is larger than the sum of its proper divisors (251167767).

490658793 is a wasteful number, since it uses less digits than its factorization.

490658793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 490658793 is about 22150.8192399288. The cubic root of 490658793 is about 788.7266743822.

The spelling of 490658793 in words is "four hundred ninety million, six hundred fifty-eight thousand, seven hundred ninety-three".

Divisors: 1 3 19 23 31 57 69 93 437 589 713 1311 1767 2139 12073 13547 36219 40641 229387 277679 374263 688161 833037 1122789 5275901 7110997 8608049 15827703 21332991 25824147 163552931 490658793