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830037 = 31321283
BaseRepresentation
bin11001010101001010101
31120011121010
43022221111
5203030122
625442433
710024635
oct3125125
91504533
10830037
1151768a
12340419
13230a60
141786c5
15115e0c
hexcaa55

830037 has 8 divisors (see below), whose sum is σ = 1191904. Its totient is φ = 510768.

The previous prime is 830017. The next prime is 830041. The reversal of 830037 is 730038.

830037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 830037 - 210 = 829013 is a prime.

It is a super-2 number, since 2×8300372 = 1377922842738, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 829995 and 830022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830017) 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, 10603 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (148988).

2830037 is an apocalyptic number.

It is an amenable number.

830037 is a deficient number, since it is larger than the sum of its proper divisors (361867).

830037 is a wasteful number, since it uses less digits than its factorization.

830037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 830037 is about 911.0636640762. The cubic root of 830037 is about 93.9793601885.

Subtracting from 830037 its reverse (730038), we obtain a palindrome (99999).

The spelling of 830037 in words is "eight hundred thirty thousand, thirty-seven".

Divisors: 1 3 13 39 21283 63849 276679 830037