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135843379 = 7171141541
BaseRepresentation
bin10000001100011…
…00111000110011
3100110121120002021
420012030320303
5234233442004
621251332311
73236435560
oct1006147063
9313546067
10135843379
116a753161
12395b1097
13221b33c9
1414081867
15bdd4d54
hex818ce33

135843379 has 8 divisors (see below), whose sum is σ = 164382048. Its totient is φ = 109587840.

The previous prime is 135843347. The next prime is 135843397. The reversal of 135843379 is 973348531.

It is a happy number.

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 135843379 - 25 = 135843347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135843319) 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, 570652 + ... + 570889.

It is an arithmetic number, because the mean of its divisors is an integer number (20547756).

Almost surely, 2135843379 is an apocalyptic number.

135843379 is a deficient number, since it is larger than the sum of its proper divisors (28538669).

135843379 is a wasteful number, since it uses less digits than its factorization.

135843379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141565.

The product of its digits is 272160, while the sum is 43.

The square root of 135843379 is about 11655.1867852901. The cubic root of 135843379 is about 514.0588321582.

The spelling of 135843379 in words is "one hundred thirty-five million, eight hundred forty-three thousand, three hundred seventy-nine".

Divisors: 1 7 17 119 1141541 7990787 19406197 135843379