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498137761 = 11220292
BaseRepresentation
bin11101101100001…
…111101010100001
31021201100000112201
4131230033222201
52010010402021
6121232453201
715226046452
oct3554175241
91251300481
10498137761
11236205300
1211a9aa201
137c282594
144a22d129
152daeb591
hex1db0faa1

498137761 has 9 divisors (see below), whose sum is σ = 547809843. Its totient is φ = 452629320.

The previous prime is 498137753. The next prime is 498137779. The reversal of 498137761 is 167731894.

The square root of 498137761 is 22319.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 494217361 + 3920400 = 22231^2 + 1980^2 .

It is not a de Polignac number, because 498137761 - 23 = 498137753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498137701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 244495 + ... + 246523.

Almost surely, 2498137761 is an apocalyptic number.

498137761 is the 22319-th square number.

498137761 is the 11160-th centered octagonal number.

It is an amenable number.

498137761 is a deficient number, since it is larger than the sum of its proper divisors (49672082).

498137761 is an frugal number, since it uses more digits than its factorization.

498137761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080 (or 2040 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The cubic root of 498137761 is about 792.7139267302.

Multiplying 498137761 by its product of digits (254016), we get a square (126534961498176 = 112487762).

The spelling of 498137761 in words is "four hundred ninety-eight million, one hundred thirty-seven thousand, seven hundred sixty-one".

Divisors: 1 11 121 2029 22319 245509 4116841 45285251 498137761