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490475137 = 8315833733
BaseRepresentation
bin11101001111000…
…000111010000001
31021011220201101211
4131033000322001
52001030201022
6120400330121
715103653445
oct3517007201
91234821354
10490475137
11231951259
12118313941
137a7cb899
14491d6825
152d0d5e77
hex1d3c0e81

490475137 has 8 divisors (see below), whose sum is σ = 496831104. Its totient is φ = 484129968.

The previous prime is 490475123. The next prime is 490475233. The reversal of 490475137 is 731574094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490475137 - 27 = 490475009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490475137.

It is not an unprimeable number, because it can be changed into a prime (490475107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129523 + ... + 133255.

It is an arithmetic number, because the mean of its divisors is an integer number (62103888).

Almost surely, 2490475137 is an apocalyptic number.

It is an amenable number.

490475137 is a deficient number, since it is larger than the sum of its proper divisors (6355967).

490475137 is a wasteful number, since it uses less digits than its factorization.

490475137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 490475137 is about 22146.6732716225. The cubic root of 490475137 is about 788.6282540100.

The spelling of 490475137 in words is "four hundred ninety million, four hundred seventy-five thousand, one hundred thirty-seven".

Divisors: 1 83 1583 3733 131389 309839 5909339 490475137