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505060538 = 2252530269
BaseRepresentation
bin11110000110101…
…001110010111010
31022012100201210212
4132012221302322
52013243414123
6122041111122
715341641463
oct3606516272
91265321725
10505060538
1123a103504
121211884a2
13808375b8
144b111d6a
152e517878
hex1e1a9cba

505060538 has 4 divisors (see below), whose sum is σ = 757590810. Its totient is φ = 252530268.

The previous prime is 505060537. The next prime is 505060597. The reversal of 505060538 is 835060505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 428200249 + 76860289 = 20693^2 + 8767^2 .

It is a super-2 number, since 2×5050605382 = 510172294089698888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505060537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265133 + ... + 126265136.

Almost surely, 2505060538 is an apocalyptic number.

505060538 is a deficient number, since it is larger than the sum of its proper divisors (252530272).

505060538 is a wasteful number, since it uses less digits than its factorization.

505060538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252530271.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 505060538 is about 22473.5519667008. The cubic root of 505060538 is about 796.3692438151.

The spelling of 505060538 in words is "five hundred five million, sixty thousand, five hundred thirty-eight".

Divisors: 1 2 252530269 505060538