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830452 = 227219223
BaseRepresentation
bin11001010101111110100
31120012011111
43022233310
5203033302
625444404
710026100
oct3125764
91505144
10830452
11517a27
12340704
13230cbc
14178900
151160d7
hexcabf4

830452 has 36 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 335664.

The previous prime is 830449. The next prime is 830477. The reversal of 830452 is 254038.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3613 + ... + 3835.

2830452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893760).

830452 is an abundant number, since it is smaller than the sum of its proper divisors (957068).

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

830452 is a wasteful number, since it uses less digits than its factorization.

830452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 830452 is about 911.2913913782. The cubic root of 830452 is about 93.9950201074.

The spelling of 830452 in words is "eight hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 223 266 446 532 892 931 1561 1862 3122 3724 4237 6244 8474 10927 16948 21854 29659 43708 59318 118636 207613 415226 830452