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136484841 = 345494947
BaseRepresentation
bin10000010001010…
…01011111101001
3100111211011000010
420020221133221
5234420003331
621313202133
73245046663
oct1010513751
9314734003
10136484841
1170051099
1239860349
132237937c
14141ab533
15beaee46
hex82297e9

136484841 has 4 divisors (see below), whose sum is σ = 181979792. Its totient is φ = 90989892.

The previous prime is 136484837. The next prime is 136484861. The reversal of 136484841 is 148484631.

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: 148484631 = 349494877.

It is not a de Polignac number, because 136484841 - 22 = 136484837 is a prime.

It is a super-2 number, since 2×1364848412 = 37256223645590562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136484841.

It is not an unprimeable number, because it can be changed into a prime (136484801) 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 3 ways as a sum of consecutive naturals, for example, 22747471 + ... + 22747476.

It is an arithmetic number, because the mean of its divisors is an integer number (45494948).

Almost surely, 2136484841 is an apocalyptic number.

It is an amenable number.

136484841 is a deficient number, since it is larger than the sum of its proper divisors (45494951).

136484841 is an equidigital number, since it uses as much as digits as its factorization.

136484841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45494950.

The product of its digits is 73728, while the sum is 39.

The square root of 136484841 is about 11682.6726822247. The cubic root of 136484841 is about 514.8667025488.

The spelling of 136484841 in words is "one hundred thirty-six million, four hundred eighty-four thousand, eight hundred forty-one".

Divisors: 1 3 45494947 136484841