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490197775 = 52127181853
BaseRepresentation
bin11101001101111…
…101001100001111
31021011101121221011
4131031331030033
52000442312100
6120350350051
715101420014
oct3515751417
91234347834
10490197775
11231781931
121181bb327
137a732572
144916370b
152d07dbba
hex1d37d30f

490197775 has 24 divisors (see below), whose sum is σ = 616738304. Its totient is φ = 386467200.

The previous prime is 490197731. The next prime is 490197779. The reversal of 490197775 is 577791094.

It is not a de Polignac number, because 490197775 - 215 = 490165007 is a prime.

It is a super-2 number, since 2×4901977752 = 480587717229901250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490197779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574249 + ... + 575101.

Almost surely, 2490197775 is an apocalyptic number.

490197775 is a deficient number, since it is larger than the sum of its proper divisors (126540529).

490197775 is a wasteful number, since it uses less digits than its factorization.

490197775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 49.

The square root of 490197775 is about 22140.4104523832. The cubic root of 490197775 is about 788.4795704596.

The spelling of 490197775 in words is "four hundred ninety million, one hundred ninety-seven thousand, seven hundred seventy-five".

Divisors: 1 5 25 127 181 635 853 905 3175 4265 4525 21325 22987 108331 114935 154393 541655 574675 771965 2708275 3859825 19607911 98039555 490197775