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830156 = 22732843
BaseRepresentation
bin11001010101011001100
31120011202112
43022223030
5203031111
625443152
710025165
oct3125314
91504675
10830156
11517788
123404b8
13230b22
1417876c
15115e8b
hexcaacc

830156 has 12 divisors (see below), whose sum is σ = 1473192. Its totient is φ = 409248.

The previous prime is 830153. The next prime is 830173. The reversal of 830156 is 651038.

830156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830156.

It is not an unprimeable number, because it can be changed into a prime (830153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (122766).

2830156 is an apocalyptic number.

It is an amenable number.

830156 is a deficient number, since it is larger than the sum of its proper divisors (643036).

830156 is a wasteful number, since it uses less digits than its factorization.

830156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 830156 is about 911.1289700147. The cubic root of 830156 is about 93.9838511567.

The spelling of 830156 in words is "eight hundred thirty thousand, one hundred fifty-six".

Divisors: 1 2 4 73 146 292 2843 5686 11372 207539 415078 830156