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82219048 = 2310277381
BaseRepresentation
bin1001110011010…
…01000000101000
312201201011022221
410321221000220
5132022002143
612054123424
72015564452
oct471510050
9181634287
1082219048
114245742a
1223650574
1314059432
14acc32d2
1573412ed
hex4e69028

82219048 has 8 divisors (see below), whose sum is σ = 154160730. Its totient is φ = 41109520.

The previous prime is 82219009. The next prime is 82219051. The reversal of 82219048 is 84091228.

It can be written as a sum of positive squares in only one way, i.e., 75655204 + 6563844 = 8698^2 + 2562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138683 + ... + 5138698.

Almost surely, 282219048 is an apocalyptic number.

It is an amenable number.

82219048 is a deficient number, since it is larger than the sum of its proper divisors (71941682).

82219048 is a wasteful number, since it uses less digits than its factorization.

82219048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277387 (or 10277383 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 82219048 is about 9067.4719740400. The cubic root of 82219048 is about 434.8346542068.

The spelling of 82219048 in words is "eighty-two million, two hundred nineteen thousand, forty-eight".

Divisors: 1 2 4 8 10277381 20554762 41109524 82219048