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136816448 = 266013557
BaseRepresentation
bin10000010011110…
…10011101000000
3100112102222212212
420021322131000
5240011111243
621324241252
73250630526
oct1011723500
9315388785
10136816448
117025824a
12399a0228
13224642a2
1414256316
15c028318
hex827a740

136816448 has 28 divisors (see below), whose sum is σ = 272023332. Its totient is φ = 68275200.

The previous prime is 136816441. The next prime is 136816451. The reversal of 136816448 is 844618631.

It can be written as a sum of positive squares in 2 ways, for example, as 64770304 + 72046144 = 8048^2 + 8488^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136816441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36686 + ... + 40242.

It is an arithmetic number, because the mean of its divisors is an integer number (9715119).

Almost surely, 2136816448 is an apocalyptic number.

It is an amenable number.

136816448 is a deficient number, since it is larger than the sum of its proper divisors (135206884).

136816448 is an equidigital number, since it uses as much as digits as its factorization.

136816448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4160 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 136816448 is about 11696.8563298008. The cubic root of 136816448 is about 515.2833429976.

The spelling of 136816448 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 601 1202 2404 3557 4808 7114 9616 14228 19232 28456 38464 56912 113824 227648 2137757 4275514 8551028 17102056 34204112 68408224 136816448