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134438530 = 2513443853
BaseRepresentation
bin10000000001101…
…01111010000010
3100100222011222211
420000311322002
5233404013110
621201252334
73221465032
oct1000657202
9310864884
10134438530
1169983726
12390340aa
1321b10b35
1413bd78c2
15bc0898a
hex8035e82

134438530 has 8 divisors (see below), whose sum is σ = 241989372. Its totient is φ = 53775408.

The previous prime is 134438497. The next prime is 134438531. The reversal of 134438530 is 35834431.

It can be written as a sum of positive squares in 2 ways, for example, as 108764041 + 25674489 = 10429^2 + 5067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 134438492 and 134438501.

It is not an unprimeable number, because it can be changed into a prime (134438531) 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, 6721917 + ... + 6721936.

Almost surely, 2134438530 is an apocalyptic number.

134438530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134438530 is a deficient number, since it is larger than the sum of its proper divisors (107550842).

134438530 is a wasteful number, since it uses less digits than its factorization.

134438530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443860.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 134438530 is about 11594.7630419944. The cubic root of 134438530 is about 512.2806104404.

The spelling of 134438530 in words is "one hundred thirty-four million, four hundred thirty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 13443853 26887706 67219265 134438530