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490917195 = 32583131437
BaseRepresentation
bin11101010000101…
…100110101001011
31021012202011210100
4131100230311023
52001133322240
6120414020443
715110504316
oct3520546513
91235664710
10490917195
1123212339a
121184a7723
137a924b62
14492ad97d
152d171e30
hex1d42cd4b

490917195 has 24 divisors (see below), whose sum is σ = 861181776. Its totient is φ = 258666048.

The previous prime is 490917187. The next prime is 490917223. The reversal of 490917195 is 591719094.

490917195 is a `hidden beast` number, since 490 + 9 + 1 + 71 + 95 = 666.

It is not a de Polignac number, because 490917195 - 23 = 490917187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 490917195.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61984 + ... + 69453.

It is an arithmetic number, because the mean of its divisors is an integer number (35882574).

Almost surely, 2490917195 is an apocalyptic number.

490917195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

490917195 is a deficient number, since it is larger than the sum of its proper divisors (370264581).

490917195 is a wasteful number, since it uses less digits than its factorization.

490917195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131531 (or 131528 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 490917195 is about 22156.6512587078. The cubic root of 490917195 is about 788.8651092004.

The spelling of 490917195 in words is "four hundred ninety million, nine hundred seventeen thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 45 83 249 415 747 1245 3735 131437 394311 657185 1182933 1971555 5914665 10909271 32727813 54546355 98183439 163639065 490917195