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136028 = 22311097
BaseRepresentation
bin100001001101011100
320220121002
4201031130
513323103
62525432
71104404
oct411534
9226532
10136028
1193222
1266878
1349bb9
1437804
152a488
hex2135c

136028 has 12 divisors (see below), whose sum is σ = 245952. Its totient is φ = 65760.

The previous prime is 136027. The next prime is 136033. The reversal of 136028 is 820631.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (20496).

2136028 is an apocalyptic number.

It is an amenable number.

136028 is a deficient number, since it is larger than the sum of its proper divisors (109924).

136028 is a wasteful number, since it uses less digits than its factorization.

136028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 136028 is about 368.8197391681. The cubic root of 136028 is about 51.4291607810.

Adding to 136028 its reverse (820631), we get a palindrome (956659).

The spelling of 136028 in words is "one hundred thirty-six thousand, twenty-eight".

Divisors: 1 2 4 31 62 124 1097 2194 4388 34007 68014 136028