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200078 = 2711409
BaseRepresentation
bin110000110110001110
3101011110022
4300312032
522400303
64142142
71462214
oct606616
9334408
10200078
1112735a
1297952
13700b8
1452cb4
153e438
hex30d8e

200078 has 8 divisors (see below), whose sum is σ = 304560. Its totient is φ = 98560.

The previous prime is 200063. The next prime is 200087. The reversal of 200078 is 870002.

200078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon 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, 563 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (38070).

2200078 is an apocalyptic number.

200078 is a deficient number, since it is larger than the sum of its proper divisors (104482).

200078 is a wasteful number, since it uses less digits than its factorization.

200078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 200078 is about 447.3007936501. The cubic root of 200078 is about 58.4879562223.

The spelling of 200078 in words is "two hundred thousand, seventy-eight".

Divisors: 1 2 71 142 1409 2818 100039 200078