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830072 = 231943127
BaseRepresentation
bin11001010101001111000
31120011122102
43022221320
5203030242
625442532
710025015
oct3125170
91504572
10830072
11517711
12340448
13230a89
1417870c
15115e32
hexcaa78

830072 has 32 divisors (see below), whose sum is σ = 1689600. Its totient is φ = 381024.

The previous prime is 830051. The next prime is 830099. The reversal of 830072 is 270038.

830072 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, 6473 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (52800).

2830072 is an apocalyptic number.

It is an amenable number.

830072 is an abundant number, since it is smaller than the sum of its proper divisors (859528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830072 is a wasteful number, since it uses less digits than its factorization.

830072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 830072 is about 911.0828721911. The cubic root of 830072 is about 93.9806811061.

The spelling of 830072 in words is "eight hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 19 38 43 76 86 127 152 172 254 344 508 817 1016 1634 2413 3268 4826 5461 6536 9652 10922 19304 21844 43688 103759 207518 415036 830072