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248390 = 2559421
BaseRepresentation
bin111100101001000110
3110121201122
4330221012
530422030
65153542
72053112
oct745106
9417648
10248390
1115a68a
12bb8b2
138909c
1466742
154d8e5
hex3ca46

248390 has 16 divisors (see below), whose sum is σ = 455760. Its totient is φ = 97440.

The previous prime is 248389. The next prime is 248401. The reversal of 248390 is 93842.

248390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (28485).

2248390 is an apocalyptic number.

248390 is a deficient number, since it is larger than the sum of its proper divisors (207370).

248390 is a wasteful number, since it uses less digits than its factorization.

248390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 248390 is about 498.3873995197. The cubic root of 248390 is about 62.8605296286.

The spelling of 248390 in words is "two hundred forty-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 59 118 295 421 590 842 2105 4210 24839 49678 124195 248390