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248411069 = 2383104243
BaseRepresentation
bin11101100111001…
…11001110111101
3122022102120220222
432303213032331
51002043123234
640352151125
76104313344
oct1663471675
9568376828
10248411069
11118248a05
126b2384a5
133c6073ca
1424dc4b5b
1516c1d42e
hexece73bd

248411069 has 4 divisors (see below), whose sum is σ = 248517696. Its totient is φ = 248304444.

The previous prime is 248411057. The next prime is 248411099. The reversal of 248411069 is 960114842.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 960114842 = 2480057421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248411069 is a prime.

It is a super-2 number, since 2×2484110692 = 123416118403445522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248411039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49739 + ... + 54504.

It is an arithmetic number, because the mean of its divisors is an integer number (62129424).

Almost surely, 2248411069 is an apocalyptic number.

It is an amenable number.

248411069 is a deficient number, since it is larger than the sum of its proper divisors (106627).

248411069 is a wasteful number, since it uses less digits than its factorization.

248411069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106626.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 248411069 is about 15761.0617979881. The cubic root of 248411069 is about 628.6230690233.

The spelling of 248411069 in words is "two hundred forty-eight million, four hundred eleven thousand, sixty-nine".

Divisors: 1 2383 104243 248411069