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136481448 = 23323247249
BaseRepresentation
bin10000010001010…
…00101010101000
3100111210222100110
420020220222220
5234414401243
621313134320
73245034045
oct1010505250
9314728313
10136481448
1170049594
123985a3a0
132237796c
14141aa1cc
15beade33
hex8228aa8

136481448 has 32 divisors (see below), whose sum is σ = 356040000. Its totient is φ = 43515648.

The previous prime is 136481447. The next prime is 136481473. The reversal of 136481448 is 844184631.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (136481447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123073 + ... + 124176.

It is an arithmetic number, because the mean of its divisors is an integer number (11126250).

Almost surely, 2136481448 is an apocalyptic number.

It is an amenable number.

136481448 is an abundant number, since it is smaller than the sum of its proper divisors (219558552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136481448 is a wasteful number, since it uses less digits than its factorization.

136481448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247281 (or 247277 counting only the distinct ones).

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

The square root of 136481448 is about 11682.5274662635. The cubic root of 136481448 is about 514.8624360012.

The spelling of 136481448 in words is "one hundred thirty-six million, four hundred eighty-one thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 247249 494498 741747 988996 1483494 1977992 2966988 5686727 5933976 11373454 17060181 22746908 34120362 45493816 68240724 136481448