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134619820 = 2256730991
BaseRepresentation
bin10000000011000…
…10001010101100
3100101022101200021
420001202022230
5233430313240
621205211524
73223151416
oct1001421254
9311271607
10134619820
1169a97955
1239100ba4
1321b754ca
1413c439b6
15bc4254a
hex80622ac

134619820 has 12 divisors (see below), whose sum is σ = 282701664. Its totient is φ = 53847920.

The previous prime is 134619791. The next prime is 134619829. The reversal of 134619820 is 28916431.

It is not an unprimeable number, because it can be changed into a prime (134619829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365476 + ... + 3365515.

It is an arithmetic number, because the mean of its divisors is an integer number (23558472).

Almost surely, 2134619820 is an apocalyptic number.

134619820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134619820 is an abundant number, since it is smaller than the sum of its proper divisors (148081844).

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

134619820 is a wasteful number, since it uses less digits than its factorization.

134619820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731000 (or 6730998 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 134619820 is about 11602.5781617708. The cubic root of 134619820 is about 512.5107766919.

The spelling of 134619820 in words is "one hundred thirty-four million, six hundred nineteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 6730991 13461982 26923964 33654955 67309910 134619820