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3890078 = 217311243
BaseRepresentation
bin1110110101101110011110
321022122011222
432311232132
51443440303
6215213342
745031223
oct16655636
97278158
103890078
112217745
121377252
13a6282a
1473394a
1551c938
hex3b5b9e

3890078 has 8 divisors (see below), whose sum is σ = 5869368. Its totient is φ = 1933624.

The previous prime is 3890071. The next prime is 3890083. The reversal of 3890078 is 8700983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890071) 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, 5276 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (733671).

Almost surely, 23890078 is an apocalyptic number.

3890078 is a deficient number, since it is larger than the sum of its proper divisors (1979290).

3890078 is a wasteful number, since it uses less digits than its factorization.

3890078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 3890078 is about 1972.3280660174. The cubic root of 3890078 is about 157.2724925553.

The spelling of 3890078 in words is "three million, eight hundred ninety thousand, seventy-eight".

Divisors: 1 2 173 346 11243 22486 1945039 3890078