Search a number
-
+
136345447 = 719997879
BaseRepresentation
bin10000010000001…
…11011101100111
3100111120001210101
420020013131213
5234401023242
621310204531
73243626410
oct1010073547
9314501711
10136345447
116aa66397
12397b3747
132232aaa4
1414172807
15be839b7
hex8207767

136345447 has 8 divisors (see below), whose sum is σ = 156608000. Its totient is φ = 116279064.

The previous prime is 136345427. The next prime is 136345453. The reversal of 136345447 is 744543631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136345447 - 215 = 136312679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136345427) 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, 47547 + ... + 50332.

It is an arithmetic number, because the mean of its divisors is an integer number (19576000).

Almost surely, 2136345447 is an apocalyptic number.

136345447 is a deficient number, since it is larger than the sum of its proper divisors (20262553).

136345447 is an equidigital number, since it uses as much as digits as its factorization.

136345447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98085.

The product of its digits is 120960, while the sum is 37.

The square root of 136345447 is about 11676.7053144284. The cubic root of 136345447 is about 514.6913625000.

The spelling of 136345447 in words is "one hundred thirty-six million, three hundred forty-five thousand, four hundred forty-seven".

Divisors: 1 7 199 1393 97879 685153 19477921 136345447