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490147 = 731429
BaseRepresentation
bin1110111101010100011
3220220100121
41313222203
5111141042
614301111
74111000
oct1675243
9826317
10490147
11305289
121b7797
13142138
14ca8a7
159a367
hex77aa3

490147 has 8 divisors (see below), whose sum is σ = 572000. Its totient is φ = 419832.

The previous prime is 490121. The next prime is 490151. The reversal of 490147 is 741094.

It is not a de Polignac number, because 490147 - 27 = 490019 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

490147 is a modest number, since divided by 147 gives 49 as remainder.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (490117) 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, 372 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (71500).

2490147 is an apocalyptic number.

490147 is a deficient number, since it is larger than the sum of its proper divisors (81853).

490147 is an equidigital number, since it uses as much as digits as its factorization.

490147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 490147 is about 700.1049921262. The cubic root of 490147 is about 78.8452345780.

The spelling of 490147 in words is "four hundred ninety thousand, one hundred forty-seven".

Divisors: 1 7 49 343 1429 10003 70021 490147