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248271897 = 382757299
BaseRepresentation
bin11101100110001…
…01010000011001
3122022011112000110
432303011100121
51002024200042
640345154533
76103163526
oct1663052031
9568145013
10248271897
11118163395
126b18ba49
133c588c63
1424d8a14d
1516be209c
hexecc5419

248271897 has 4 divisors (see below), whose sum is σ = 331029200. Its totient is φ = 165514596.

The previous prime is 248271883. The next prime is 248271899. The reversal of 248271897 is 798172842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 248271897 - 26 = 248271833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248271899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41378647 + ... + 41378652.

It is an arithmetic number, because the mean of its divisors is an integer number (82757300).

Almost surely, 2248271897 is an apocalyptic number.

It is an amenable number.

248271897 is a deficient number, since it is larger than the sum of its proper divisors (82757303).

248271897 is an equidigital number, since it uses as much as digits as its factorization.

248271897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82757302.

The product of its digits is 451584, while the sum is 48.

The square root of 248271897 is about 15756.6461215577. The cubic root of 248271897 is about 628.5056519891.

The spelling of 248271897 in words is "two hundred forty-eight million, two hundred seventy-one thousand, eight hundred ninety-seven".

Divisors: 1 3 82757299 248271897