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34930 = 257499
BaseRepresentation
bin1000100001110010
31202220201
420201302
52104210
6425414
7203560
oct104162
952821
1034930
1124275
121826a
1312b8c
14ca30
15a53a
hex8872

34930 has 16 divisors (see below), whose sum is σ = 72000. Its totient is φ = 11952.

The previous prime is 34919. The next prime is 34939. The reversal of 34930 is 3943.

It is a nialpdrome in base 14 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 34898 and 34907.

It is not an unprimeable number, because it can be changed into a prime (34939) by changing a digit.

34930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (4500).

234930 is an apocalyptic number.

34930 is an abundant number, since it is smaller than the sum of its proper divisors (37070).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36000).

34930 is a wasteful number, since it uses less digits than its factorization.

34930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 34930 is about 186.8956928343. The cubic root of 34930 is about 32.6888414389.

The spelling of 34930 in words is "thirty-four thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 499 998 2495 3493 4990 6986 17465 34930