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490742676 = 2232103132347
BaseRepresentation
bin11101010000000…
…010001110010100
31021012102022101200
4131100002032110
52001112231201
6120410152500
715106146444
oct3520021624
91235368350
10490742676
11232014266
12118422730
137a8935a8
1449266124
152d13a386
hex1d402394

490742676 has 36 divisors (see below), whose sum is σ = 1252541472. Its totient is φ = 161991504.

The previous prime is 490742663. The next prime is 490742677. The reversal of 490742676 is 676247094.

490742676 is a `hidden beast` number, since 490 + 74 + 26 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490742677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62466 + ... + 69881.

Almost surely, 2490742676 is an apocalyptic number.

It is an amenable number.

490742676 is an abundant number, since it is smaller than the sum of its proper divisors (761798796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490742676 is a wasteful number, since it uses less digits than its factorization.

490742676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132460 (or 132455 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 490742676 is about 22152.7126104231. The cubic root of 490742676 is about 788.7716187105.

The spelling of 490742676 in words is "four hundred ninety million, seven hundred forty-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 132347 264694 397041 529388 794082 1191123 1588164 2382246 4764492 13631741 27263482 40895223 54526964 81790446 122685669 163580892 245371338 490742676