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135424479 = 346919623
BaseRepresentation
bin10000001001001…
…10100111011111
3100102211021110110
420010212213133
5234132040404
621234341103
73233042361
oct1004464737
9312737413
10135424479
116a497463
123942a793
1322097838
1413db2d31
15bd50b89
hex81269df

135424479 has 8 divisors (see below), whose sum is σ = 180623232. Its totient is φ = 90254360.

The previous prime is 135424459. The next prime is 135424489. The reversal of 135424479 is 974424531.

135424479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 135424479 - 217 = 135293407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135424409) 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, 9262 + ... + 18884.

It is an arithmetic number, because the mean of its divisors is an integer number (22577904).

Almost surely, 2135424479 is an apocalyptic number.

135424479 is a deficient number, since it is larger than the sum of its proper divisors (45198753).

135424479 is an equidigital number, since it uses as much as digits as its factorization.

135424479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14317.

The product of its digits is 120960, while the sum is 39.

The square root of 135424479 is about 11637.2023699857. The cubic root of 135424479 is about 513.5298872967.

The spelling of 135424479 in words is "one hundred thirty-five million, four hundred twenty-four thousand, four hundred seventy-nine".

Divisors: 1 3 4691 9623 14073 28869 45141493 135424479