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134619890 = 2520816469
BaseRepresentation
bin10000000011000…
…10001011110010
3100101022101202212
420001202023302
5233430314030
621205212122
73223151546
oct1001421362
9311271685
10134619890
1169a97a09
1239101042
1321b75552
1413c43a26
15bc42595
hex80622f2

134619890 has 16 divisors (see below), whose sum is σ = 242469720. Its totient is φ = 53813760.

The previous prime is 134619829. The next prime is 134619893. The reversal of 134619890 is 98916431.

134619890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64947481 + 69672409 = 8059^2 + 8347^2 .

It is a super-2 number, since 2×1346198902 = 36245029567224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134619893) 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, 17576 + ... + 24044.

Almost surely, 2134619890 is an apocalyptic number.

134619890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134619890 is a deficient number, since it is larger than the sum of its proper divisors (107849830).

134619890 is a wasteful number, since it uses less digits than its factorization.

134619890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 134619890 is about 11602.5811783413. The cubic root of 134619890 is about 512.5108655241.

The spelling of 134619890 in words is "one hundred thirty-four million, six hundred nineteen thousand, eight hundred ninety".

Divisors: 1 2 5 10 2081 4162 6469 10405 12938 20810 32345 64690 13461989 26923978 67309945 134619890