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248525413 = 2011123583
BaseRepresentation
bin11101101000000…
…11001001100101
3122022122101202221
432310003021211
51002110303123
640354432341
76105300613
oct1664031145
9568571687
10248525413
11118316904
126b2926b1
133c647476
14250146b3
1516c4225d
hexed03265

248525413 has 4 divisors (see below), whose sum is σ = 248651008. Its totient is φ = 248399820.

The previous prime is 248525401. The next prime is 248525437. The reversal of 248525413 is 314525842.

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 a cyclic number.

It is not a de Polignac number, because 248525413 - 29 = 248524901 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 (248525213) 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, 59781 + ... + 63802.

It is an arithmetic number, because the mean of its divisors is an integer number (62162752).

Almost surely, 2248525413 is an apocalyptic number.

It is an amenable number.

248525413 is a deficient number, since it is larger than the sum of its proper divisors (125595).

248525413 is a wasteful number, since it uses less digits than its factorization.

248525413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125594.

The product of its digits is 38400, while the sum is 34.

The square root of 248525413 is about 15764.6888012418. The cubic root of 248525413 is about 628.7195062857.

The spelling of 248525413 in words is "two hundred forty-eight million, five hundred twenty-five thousand, four hundred thirteen".

Divisors: 1 2011 123583 248525413