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136628301 = 345542767
BaseRepresentation
bin10000010010011…
…00100001001101
3100112002102210110
420021030201031
5234434101201
621320230233
73246215145
oct1011144115
9315072713
10136628301
1170139957
123990b379
13223c9764
1414207925
15bedc6d6
hex824c84d

136628301 has 4 divisors (see below), whose sum is σ = 182171072. Its totient is φ = 91085532.

The previous prime is 136628287. The next prime is 136628341. The reversal of 136628301 is 103826631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103826631 = 334608877.

It is not a de Polignac number, because 136628301 - 29 = 136627789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136628341) 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, 22771381 + ... + 22771386.

It is an arithmetic number, because the mean of its divisors is an integer number (45542768).

Almost surely, 2136628301 is an apocalyptic number.

It is an amenable number.

136628301 is a deficient number, since it is larger than the sum of its proper divisors (45542771).

136628301 is an equidigital number, since it uses as much as digits as its factorization.

136628301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45542770.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 136628301 is about 11688.8109318271. The cubic root of 136628301 is about 515.0470324973.

The spelling of 136628301 in words is "one hundred thirty-six million, six hundred twenty-eight thousand, three hundred one".

Divisors: 1 3 45542767 136628301