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248022239 = 298552491
BaseRepresentation
bin11101100100010…
…00010011011111
3122021200211112212
432302020103133
51001443202424
640335551035
76101103623
oct1662102337
9567624485
10248022239
11118002863
126b08b47b
133c4cc42a
1424d23183
1516b9310e
hexec884df

248022239 has 4 divisors (see below), whose sum is σ = 256574760. Its totient is φ = 239469720.

The previous prime is 248022233. The next prime is 248022251. The reversal of 248022239 is 932220842.

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

It is a cyclic number.

It is not a de Polignac number, because 248022239 - 24 = 248022223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248022233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276217 + ... + 4276274.

It is an arithmetic number, because the mean of its divisors is an integer number (64143690).

Almost surely, 2248022239 is an apocalyptic number.

248022239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

248022239 is a deficient number, since it is larger than the sum of its proper divisors (8552521).

248022239 is an equidigital number, since it uses as much as digits as its factorization.

248022239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552520.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 248022239 is about 15748.7218211511. The cubic root of 248022239 is about 628.2949097998.

The spelling of 248022239 in words is "two hundred forty-eight million, twenty-two thousand, two hundred thirty-nine".

Divisors: 1 29 8552491 248022239