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490149 = 32114951
BaseRepresentation
bin1110111101010100101
3220220100200
41313222211
5111141044
614301113
74111002
oct1675245
9826320
10490149
11305290
121b7799
1314213a
14ca8a9
159a369
hex77aa5

490149 has 12 divisors (see below), whose sum is σ = 772512. Its totient is φ = 297000.

The previous prime is 490121. The next prime is 490151. The reversal of 490149 is 941094.

It is not a de Polignac number, because 490149 - 25 = 490117 is a prime.

It is a super-3 number, since 3×4901493 = 353269072016333847, which contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2377 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (64376).

2490149 is an apocalyptic number.

It is an amenable number.

490149 is a deficient number, since it is larger than the sum of its proper divisors (282363).

490149 is a wasteful number, since it uses less digits than its factorization.

490149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 490149 is about 700.1064204819. The cubic root of 490149 is about 78.8453418181.

It can be divided in two parts, 4901 and 49, that added together give a triangular number (4950 = T99).

The spelling of 490149 in words is "four hundred ninety thousand, one hundred forty-nine".

Divisors: 1 3 9 11 33 99 4951 14853 44559 54461 163383 490149