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490111149 = 31161243473
BaseRepresentation
bin11101001101101…
…000000010101101
31021011020020002210
4131031220002231
52000432024044
6120344441033
715100606323
oct3515500255
91234206083
10490111149
11231722840
12118179179
137a701cc8
144913dd13
152d0631b9
hex1d3680ad

490111149 has 16 divisors (see below), whose sum is σ = 724578624. Its totient is φ = 292166400.

The previous prime is 490111133. The next prime is 490111151. The reversal of 490111149 is 941111094.

It is not a de Polignac number, because 490111149 - 24 = 490111133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490111169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119724 + ... + 123749.

It is an arithmetic number, because the mean of its divisors is an integer number (45286164).

Almost surely, 2490111149 is an apocalyptic number.

It is an amenable number.

490111149 is a deficient number, since it is larger than the sum of its proper divisors (234467475).

490111149 is a wasteful number, since it uses less digits than its factorization.

490111149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243548.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 490111149 is about 22138.4540788195. The cubic root of 490111149 is about 788.4331219590.

The spelling of 490111149 in words is "four hundred ninety million, one hundred eleven thousand, one hundred forty-nine".

Divisors: 1 3 11 33 61 183 671 2013 243473 730419 2678203 8034609 14851853 44555559 163370383 490111149