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490177461 = 3163392487
BaseRepresentation
bin11101001101111…
…000001110110101
31021011100121001210
4131031320032311
52000441134321
6120350112033
715101303544
oct3515701665
91234317053
10490177461
11231768644
121181ab619
137a726247
144915a15b
152d077b76
hex1d3783b5

490177461 has 4 divisors (see below), whose sum is σ = 653569952. Its totient is φ = 326784972.

The previous prime is 490177453. The next prime is 490177463. The reversal of 490177461 is 164771094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 490177461 - 23 = 490177453 is a prime.

It is a super-3 number, since 3×4901774613 (a number of 27 digits) contains 333 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 (490177463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81696241 + ... + 81696246.

It is an arithmetic number, because the mean of its divisors is an integer number (163392488).

Almost surely, 2490177461 is an apocalyptic number.

It is an amenable number.

490177461 is a deficient number, since it is larger than the sum of its proper divisors (163392491).

490177461 is a wasteful number, since it uses less digits than its factorization.

490177461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163392490.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 490177461 is about 22139.9516937142. The cubic root of 490177461 is about 788.4686786686.

The spelling of 490177461 in words is "four hundred ninety million, one hundred seventy-seven thousand, four hundred sixty-one".

Divisors: 1 3 163392487 490177461