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10208030 = 257145829
BaseRepresentation
bin100110111100…
…001100011110
3201012121210012
4212330030132
510103124110
61002443222
7152524010
oct46741436
921177705
1010208030
115842498
123503512
132165471
1414da1b0
15d69905
hex9bc31e

10208030 has 16 divisors (see below), whose sum is σ = 20999520. Its totient is φ = 3499872.

The previous prime is 10208027. The next prime is 10208039. The reversal of 10208030 is 3080201.

10208030 = 15962 + 15972 + ... + 15992.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10207996 and 10208014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10208039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72845 + ... + 72984.

It is an arithmetic number, because the mean of its divisors is an integer number (1312470).

Almost surely, 210208030 is an apocalyptic number.

10208030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10208030 is an abundant number, since it is smaller than the sum of its proper divisors (10791490).

10208030 is a wasteful number, since it uses less digits than its factorization.

10208030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145843.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10208030 is about 3195.0007824725. Note that the first 3 decimals coincide. The cubic root of 10208030 is about 216.9271843297.

Adding to 10208030 its reverse (3080201), we get a palindrome (13288231).

The spelling of 10208030 in words is "ten million, two hundred eight thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 145829 291658 729145 1020803 1458290 2041606 5104015 10208030