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82248449 = 471749967
BaseRepresentation
bin1001110011100…
…00001100000001
312201202122122212
410321300030001
5132023422244
612054511505
72016046253
oct471601401
9181678585
1082248449
1142477528
1223665595
131406992a
14accdcd3
157349d9e
hex4e70301

82248449 has 4 divisors (see below), whose sum is σ = 83998464. Its totient is φ = 80498436.

The previous prime is 82248427. The next prime is 82248469. The reversal of 82248449 is 94484228.

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 82248449 - 212 = 82244353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82248409) 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, 874937 + ... + 875030.

It is an arithmetic number, because the mean of its divisors is an integer number (20999616).

Almost surely, 282248449 is an apocalyptic number.

It is an amenable number.

82248449 is a deficient number, since it is larger than the sum of its proper divisors (1750015).

82248449 is a wasteful number, since it uses less digits than its factorization.

82248449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750014.

The product of its digits is 147456, while the sum is 41.

The square root of 82248449 is about 9069.0930638074. The cubic root of 82248449 is about 434.8864793835.

The spelling of 82248449 in words is "eighty-two million, two hundred forty-eight thousand, four hundred forty-nine".

Divisors: 1 47 1749967 82248449