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830726 = 21389359
BaseRepresentation
bin11001010110100000110
31120012112122
43022310012
5203040401
625445542
710026641
oct3126406
91505478
10830726
11518156
123408b2
13231170
14178a58
1511621b
hexcad06

830726 has 16 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 378048.

The previous prime is 830719. The next prime is 830729. The reversal of 830726 is 627038.

830726 = 1002 + 1012 + ... + 1512.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 830695 and 830704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830729) 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, 2135 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2830726 is an apocalyptic number.

830726 is a deficient number, since it is larger than the sum of its proper divisors (530074).

830726 is a wasteful number, since it uses less digits than its factorization.

830726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 830726 is about 911.4417150866. The cubic root of 830726 is about 94.0053565681.

The spelling of 830726 in words is "eight hundred thirty thousand, seven hundred twenty-six".

Divisors: 1 2 13 26 89 178 359 718 1157 2314 4667 9334 31951 63902 415363 830726