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248279315 = 549655863
BaseRepresentation
bin11101100110001…
…11000100010011
3122022011220012012
432303013010103
51002024414230
640345253135
76103224254
oct1663070423
9568156165
10248279315
11118168a19
126b1941ab
133c58c44b
1424d8cb2b
1516be4395
hexecc7113

248279315 has 4 divisors (see below), whose sum is σ = 297935184. Its totient is φ = 198623448.

The previous prime is 248279299. The next prime is 248279321. The reversal of 248279315 is 513972842.

248279315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513972842 = 2256986421.

It is a cyclic number.

It is not a de Polignac number, because 248279315 - 24 = 248279299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24827927 + ... + 24827936.

It is an arithmetic number, because the mean of its divisors is an integer number (74483796).

Almost surely, 2248279315 is an apocalyptic number.

248279315 is a deficient number, since it is larger than the sum of its proper divisors (49655869).

248279315 is an equidigital number, since it uses as much as digits as its factorization.

248279315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49655868.

The product of its digits is 120960, while the sum is 41.

The square root of 248279315 is about 15756.8815125329. The cubic root of 248279315 is about 628.5119115356.

The spelling of 248279315 in words is "two hundred forty-eight million, two hundred seventy-nine thousand, three hundred fifteen".

Divisors: 1 5 49655863 248279315