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134142880 = 255838393
BaseRepresentation
bin1111111111011…
…01101110100000
3100100102011102211
413333231232200
5233320033010
621151051504
73216124054
oct777555640
9310364384
10134142880
11697a1593
1238b10b94
1321a393b1
1413b5bc64
15bb9b08a
hex7fedba0

134142880 has 24 divisors (see below), whose sum is σ = 316912932. Its totient is φ = 53657088.

The previous prime is 134142839. The next prime is 134142889. The reversal of 134142880 is 88241431.

It can be written as a sum of positive squares in 2 ways, for example, as 128051856 + 6091024 = 11316^2 + 2468^2 .

It is not an unprimeable number, because it can be changed into a prime (134142889) 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, 419037 + ... + 419356.

Almost surely, 2134142880 is an apocalyptic number.

134142880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134142880 is an abundant number, since it is smaller than the sum of its proper divisors (182770052).

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

134142880 is an equidigital number, since it uses as much as digits as its factorization.

134142880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838408 (or 838400 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 134142880 is about 11582.0067345862. The cubic root of 134142880 is about 511.9048081492.

The spelling of 134142880 in words is "one hundred thirty-four million, one hundred forty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 838393 1676786 3353572 4191965 6707144 8383930 13414288 16767860 26828576 33535720 67071440 134142880