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490149219 = 37174133487
BaseRepresentation
bin11101001101110…
…001010101100011
31021011022011022210
4131031301111203
52000434233334
6120345333203
715101125320
oct3515612543
91234264283
10490149219
112317493aa
12118197203
137a716431
144914db47
152d06e5e9
hex1d371563

490149219 has 32 divisors (see below), whose sum is σ = 810141696. Its totient is φ = 257172480.

The previous prime is 490149197. The next prime is 490149223. The reversal of 490149219 is 912941094.

It is not a de Polignac number, because 490149219 - 29 = 490148707 is a prime.

It is a super-2 number, since 2×4901492192 = 480492513772619922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490149269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (25316928).

Almost surely, 2490149219 is an apocalyptic number.

490149219 is a deficient number, since it is larger than the sum of its proper divisors (319992477).

490149219 is a wasteful number, since it uses less digits than its factorization.

490149219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33555.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 490149219 is about 22139.3138782574. The cubic root of 490149219 is about 788.4535356086.

The spelling of 490149219 in words is "four hundred ninety million, one hundred forty-nine thousand, two hundred nineteen".

Divisors: 1 3 7 17 21 41 51 119 123 287 357 697 861 2091 4879 14637 33487 100461 234409 569279 703227 1372967 1707837 3984953 4118901 9610769 11954859 23340439 28832307 70021317 163383073 490149219