Search a number
-
+
61206236 = 22713181929
BaseRepresentation
bin1110100101111…
…0111011011100
311021011121011122
43221132323130
5111132044421
610023510112
71342146560
oct351367334
9137147148
1061206236
1131605173
12185b8338
13c8b0010
1481b36a0
1555902ab
hex3a5eedc

61206236 has 48 divisors (see below), whose sum is σ = 132699840. Its totient is φ = 24053760.

The previous prime is 61206221. The next prime is 61206259. The reversal of 61206236 is 63260216.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65420 + ... + 66348.

It is an arithmetic number, because the mean of its divisors is an integer number (2764580).

Almost surely, 261206236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61206236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66349920).

61206236 is an abundant number, since it is smaller than the sum of its proper divisors (71493604).

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

61206236 is a wasteful number, since it uses less digits than its factorization.

61206236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 61206236 is about 7823.4414422299. The cubic root of 61206236 is about 394.0928517626.

The spelling of 61206236 in words is "sixty-one million, two hundred six thousand, two hundred thirty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 181 182 362 364 724 929 1267 1858 2353 2534 3716 4706 5068 6503 9412 12077 13006 16471 24154 26012 32942 48308 65884 84539 168149 169078 336298 338156 672596 1177043 2185937 2354086 4371874 4708172 8743748 15301559 30603118 61206236