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82240878 = 2313706813
BaseRepresentation
bin1001110011011…
…10010101101110
312201202021021110
410321232111232
5132023202003
612054412450
72016015216
oct471562556
9181667243
1082240878
1142471875
1223661126
1314066355
14accb246
157347a03
hex4e6e56e

82240878 has 8 divisors (see below), whose sum is σ = 164481768. Its totient is φ = 27413624.

The previous prime is 82240853. The next prime is 82240891. The reversal of 82240878 is 87804228.

It is a sphenic number, since it is the product of 3 distinct primes.

82240878 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6853401 + ... + 6853412.

It is an arithmetic number, because the mean of its divisors is an integer number (20560221).

Almost surely, 282240878 is an apocalyptic number.

82240878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82240878 is a wasteful number, since it uses less digits than its factorization.

82240878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706818.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 82240878 is about 9068.6756475243. The cubic root of 82240878 is about 434.8731351539.

The spelling of 82240878 in words is "eighty-two million, two hundred forty thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 13706813 27413626 41120439 82240878