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82201419 = 333044497
BaseRepresentation
bin1001110011001…
…00101101001011
312201200021011000
410321210231023
5132020421134
612053510043
72015462166
oct471445513
9181607130
1082201419
1142445163
1223642323
13140513c1
14acbaadd
15733ae99
hex4e64b4b

82201419 has 8 divisors (see below), whose sum is σ = 121779920. Its totient is φ = 54800928.

The previous prime is 82201417. The next prime is 82201447. The reversal of 82201419 is 91410228.

It is not a de Polignac number, because 82201419 - 21 = 82201417 is a prime.

It is a super-2 number, since 2×822014192 = 13514146571227122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3044497 = 82201419 / (8 + 2 + 2 + 0 + 1 + 4 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82201392 and 82201401.

It is not an unprimeable number, because it can be changed into a prime (82201411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522222 + ... + 1522275.

It is an arithmetic number, because the mean of its divisors is an integer number (15222490).

Almost surely, 282201419 is an apocalyptic number.

82201419 is a deficient number, since it is larger than the sum of its proper divisors (39578501).

82201419 is a wasteful number, since it uses less digits than its factorization.

82201419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044506 (or 3044500 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 82201419 is about 9066.4998207688. The cubic root of 82201419 is about 434.8035736228.

The spelling of 82201419 in words is "eighty-two million, two hundred one thousand, four hundred nineteen".

Divisors: 1 3 9 27 3044497 9133491 27400473 82201419