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830290 = 25791051
BaseRepresentation
bin11001010101101010010
31120011221111
43022231102
5203032130
625443534
710025446
oct3125522
91504844
10830290
1151789a
123405aa
13230bc6
14178826
1511602a
hexcab52

830290 has 16 divisors (see below), whose sum is σ = 1514880. Its totient is φ = 327600.

The previous prime is 830279. The next prime is 830293. The reversal of 830290 is 92038.

830290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (830293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (94680).

2830290 is an apocalyptic number.

830290 is a deficient number, since it is larger than the sum of its proper divisors (684590).

830290 is a wasteful number, since it uses less digits than its factorization.

830290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 830290 is about 911.2025021915. The cubic root of 830290 is about 93.9889076997.

The spelling of 830290 in words is "eight hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 79 158 395 790 1051 2102 5255 10510 83029 166058 415145 830290