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248230538 = 2124115269
BaseRepresentation
bin11101100101110…
…11001010001010
3122022002102021122
432302323022022
51002021334123
640344235242
76102632123
oct1662731212
9568072248
10248230538
11118135306
126b16bb22
133c57319a
1424d7904a
1516bd4bc8
hexecbb28a

248230538 has 4 divisors (see below), whose sum is σ = 372345810. Its totient is φ = 124115268.

The previous prime is 248230537. The next prime is 248230589. The reversal of 248230538 is 835032842.

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., 243765769 + 4464769 = 15613^2 + 2113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248230498 and 248230507.

It is not an unprimeable number, because it can be changed into a prime (248230531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62057633 + ... + 62057636.

Almost surely, 2248230538 is an apocalyptic number.

248230538 is a deficient number, since it is larger than the sum of its proper divisors (124115272).

248230538 is a wasteful number, since it uses less digits than its factorization.

248230538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124115271.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 248230538 is about 15755.3336365816. Note that the first 3 decimals coincide. The cubic root of 248230538 is about 628.4707496513.

The spelling of 248230538 in words is "two hundred forty-eight million, two hundred thirty thousand, five hundred thirty-eight".

Divisors: 1 2 124115269 248230538