Search a number
-
+
268190 = 25132063
BaseRepresentation
bin1000001011110011110
3111121212222
41001132132
532040230
65425342
72164616
oct1013636
9447788
10268190
1117354a
1210b252
13950c0
146da46
15546e5
hex4179e

268190 has 16 divisors (see below), whose sum is σ = 520128. Its totient is φ = 98976.

The previous prime is 268189. The next prime is 268199. The reversal of 268190 is 91862.

It is a super-2 number, since 2×2681902 = 143851752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268199) 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, 902 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (32508).

2268190 is an apocalyptic number.

268190 is a deficient number, since it is larger than the sum of its proper divisors (251938).

268190 is a wasteful number, since it uses less digits than its factorization.

268190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 268190 is about 517.8706402182. The cubic root of 268190 is about 64.4882898438.

The spelling of 268190 in words is "two hundred sixty-eight thousand, one hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 2063 4126 10315 20630 26819 53638 134095 268190