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207030 = 23567103
BaseRepresentation
bin110010100010110110
3101111222210
4302202312
523111110
64234250
71521405
oct624266
9344883
10207030
111315aa
129b986
1373305
145563c
1541520
hex328b6

207030 has 32 divisors (see below), whose sum is σ = 509184. Its totient is φ = 53856.

The previous prime is 207029. The next prime is 207037. The reversal of 207030 is 30702.

207030 = 2262 + 2272 + ... + 2292.

207030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2070302 = 85722841800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206997 and 207015.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 207030.

It is not an unprimeable number, because it can be changed into a prime (207037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (15912).

2207030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254592).

207030 is an abundant number, since it is smaller than the sum of its proper divisors (302154).

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

207030 is a wasteful number, since it uses less digits than its factorization.

207030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 207030 is about 455.0054944723. The cubic root of 207030 is about 59.1576745796.

Adding to 207030 its reverse (30702), we get a palindrome (237732).

The spelling of 207030 in words is "two hundred seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 67 103 134 201 206 309 335 402 515 618 670 1005 1030 1545 2010 3090 6901 13802 20703 34505 41406 69010 103515 207030