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248250223 = 13431014397
BaseRepresentation
bin11101100101111…
…11111101101111
3122022010102021201
432302333331233
51002023001343
640344510331
76103043404
oct1662777557
9568112251
10248250223
11118149081
126b17b3a7
133c57c130
1424d822ab
1516bda94d
hexecbff6f

248250223 has 16 divisors (see below), whose sum is σ = 276335136. Its totient is φ = 221558400.

The previous prime is 248250221. The next prime is 248250239. The reversal of 248250223 is 322052842.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 248250223 - 21 = 248250221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248250191 and 248250200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248250221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54261 + ... + 58657.

It is an arithmetic number, because the mean of its divisors is an integer number (17270946).

Almost surely, 2248250223 is an apocalyptic number.

248250223 is a deficient number, since it is larger than the sum of its proper divisors (28084913).

248250223 is a wasteful number, since it uses less digits than its factorization.

248250223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 248250223 is about 15755.9583332782. The cubic root of 248250223 is about 628.4873620576.

The spelling of 248250223 in words is "two hundred forty-eight million, two hundred fifty thousand, two hundred twenty-three".

Divisors: 1 13 43 101 559 1313 4343 4397 56459 57161 189071 444097 2457923 5773261 19096171 248250223