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613390 = 2561339
BaseRepresentation
bin10010101110000001110
31011011102011
42111300032
5124112030
621051434
75133211
oct2256016
91134364
10613390
11389938
12256b7a
1318626b
1411d778
15c1b2a
hex95c0e

613390 has 8 divisors (see below), whose sum is σ = 1104120. Its totient is φ = 245352.

The previous prime is 613381. The next prime is 613421. The reversal of 613390 is 93316.

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

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, 30660 + ... + 30679.

It is an arithmetic number, because the mean of its divisors is an integer number (138015).

2613390 is an apocalyptic number.

613390 is a deficient number, since it is larger than the sum of its proper divisors (490730).

613390 is a wasteful number, since it uses less digits than its factorization.

613390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61346.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 613390 is about 783.1921858650. The cubic root of 613390 is about 84.9660764283.

The spelling of 613390 in words is "six hundred thirteen thousand, three hundred ninety".

Divisors: 1 2 5 10 61339 122678 306695 613390